Radar has landed - discover the latest DDoS attack trends. Get ahead, stay protected.Get the report
Under attack?

Products

Solutions

Resources

Partners

Why Gcore

  1. Home
  2. Developers
  3. What Is SOC 2 Compliance? | The Importance of SOC 2 Compliance

What Is SOC 2 Compliance? | The Importance of SOC 2 Compliance

  • By Gcore
  • August 16, 2023
  • 15 min read
What Is SOC 2 Compliance? | The Importance of SOC 2 Compliance

In an era when a single data breach can cripple a company overnight, SOC 2 (pronounced “sock two”) isn’t just an advanced security measure—it can set your company apart by demonstrating your commitment to this security gold standard. SOC 2 not only shields your customer data from lurking threats, but can even help to pull in high-value deals in a competitive market by assuring customers that you manage and protect customer data with exceptional care. This article will explain everything you need to know about SOC 2 compliance, including its definition, significance, and the process to obtain SOC 2 certification, helping you to empower your organization’s growth strategy.

What Is SOC 2 Compliance?

SOC 2, also known as System and Organization Controls 2, is an auditing standard that evaluates the internal security controls of service organizations, especially those that handle customer data in cloud environments, such as healthcare and finance. It is a voluntary measure that serves as proof that the certificate holder adheres to the highest online security standards relevant to their industry and operations, and was developed with technology companies in mind.

Clients today, cognizant of the critical nature of their data, demand the highest standards of security. For example, a telemedicine company needs to keep patients’ medical records completely confidential and protected, and banks need to ensure that account numbers and passwords are subject to the strictest security standards. Failing to meet these requirements can lead to dire consequences for customers in the event of a breach, including financial loss, identity theft, embarrassment, and even blackmail. If there’s even a hint that an organization’s systems might not meet the most stringent standards, clients and customers are likely to seek out alternative partners who can assure the safety and confidentiality of their sensitive information. Nobody chooses a bank with lax security measures! Thus, compliance with this American Institute of Certified Public Accountants (AICPA) framework is a smart business move for maintaining trust, retaining clients, and preserving industry reputation.

SOC 2 Report Types

SOC 2 compliance includes two types of reports: Type I, which assesses the suitability of controls’ design, and Type II, which examines the operational effectiveness of these controls over a specified period. For telemedicine, a Type I report would evaluate whether the design of controls aligns with industry standards. This means assessing whether the platform’s security measures, such as data encryption during transmission and user authentication, are appropriately designed to protect patients’ sensitive medical information. A Type II report would go further, examining the ongoing effectiveness of these controls over a specific time frame, usually six to twelve months. This analysis ensures that the telemedicine platform consistently maintains the security measures it claims to have in place.

If we look at online banking, a Type I report would scrutinize whether the system’s controls are appropriately designed to safeguard users’ financial data. This might involve assessing the encryption of transactions, access controls, and fraud detection mechanisms. Meanwhile, a Type II report for online banking would delve into whether these controls are consistently effective in real-world scenarios. It would look at whether the platform successfully prevents unauthorized access, protects against fraudulent activities, and secures transactions over the assessed time period.

Why Is SOC 2 Compliance Important?

Across industries, SOC 2 compliance shows an organization’s unwavering commitment to data protection. Its relevance is especially pronounced in sectors like healthcare and finance, where strict data management regulations exist.

In healthcare, SOC 2 compliance is a pivotal tool because it proves alignment with HIPAA (the Health Insurance Portability and Accountability Act,) which in turn ensures patient health data confidentiality through rigorous security assessments and adherence to industry standards. Similarly, in finance, SOC 2 compliance showcases adherence to the Sarbanes-Oxley Act (SOX) and the Gramm-Leach-Bliley Act (GLBA.) These federal mandates safeguard customer financial data integrity.

The importance of data security is further accentuated by client demands for robust personal information protection in all their online activities; organizations that fail to comply risk losing their clients to the competition. This is true for organizations across industries, including tech, retail, telecom, and e-commerce—in fact, in every context where client information is handled.

Who Uses SOC 2 and Who Can Perform a SOC Audit?

SOC 2 is a valuable compliance protocol for a wide range of organizations, including data centers, SaaS companies, and MSPs. These organizations typically handle sensitive data on behalf of their clients, so it is important for the organizations to demonstrate that they have implemented adequate security controls. Small businesses and entities that operate outside regulatory frameworks or don’t deal with critical or private data may not find SOC 2 compliance to be necessary.

A SOC 2 audit is conducted on behalf of a company by an independent auditor, generally a CPA (Certified Public Accountant.) Such auditors can be found in online directories, as well as by contacting AICPA directly. The auditor will then issue a report that details their findings in terms of investigation scope, the service organization’s responsibilities, the service auditor’s responsibilities, inherent limitations, the auditor’s opinion, a description of tests of controls, and restricted use.

This is what a SOC report looks like:

What an SOC 2 report looks like

You can find out if a business is SOC 2 compliant by reviewing their audit report, which outlines the controls and processes they have in place to safeguard sensitive data. Additionally, you should inquire about their assessment scope, testing methods, and any identified vulnerabilities. This information will give you a clear picture of their commitment to data security and regulatory compliance.

What Are the SOC 2 Trust Services Criteria?

SOC 2 Trust Services Criteria

The SOC 2 compliance process evaluates an organization’s adherence to five Trust Services Criteria (TSC): security, availability, confidentiality, privacy, and processing integrity. Companies can choose which criteria to include in their audit. Let’s look at each of the five TSC in turn, and see which are relevant to your organization.

Security

The security criterion, often referred to as the “common criterion,” is the fundamental component of a SOC 2 assessment. It establishes comprehensive security standards for the organization, encompassing controls for availability, confidentiality, privacy, and processing integrity. It emphasizes robust access restrictions to deter harmful attacks, data removal, unauthorized adjustments, or data disclosure.

This criterion is crucial for organizations seeking to bolster their overall security posture, making it essential for those dealing with sensitive data, such as personal or financial information. Companies that prioritize robust access controls and protection against cyber threats should utilize the security criterion. On the other hand, smaller businesses with minimal data exposure might find the comprehensive security standards overly complex for their needs.

Availability

Ensuring the availability of systems is paramount for organizations that promise their customers seamless access to data and services at critical moments. The availability criterion focuses on aspects including network performance, downtime management, and security incident handling.

For organizations that emphasize uninterrupted access to data and services, the availability criterion is vital. This applies to companies in sectors like e-commerce, finance, and healthcare, where downtime can have significant repercussions. Utilizing the availability criterion makes sense for businesses that need to handle unexpected surges in demand and maintain a high level of service reliability. However, companies with less emphasis on immediate access, like those dealing with non-essential products, might find the detailed focus on network performance and downtime management less relevant.

Confidentiality

With the confidentiality criterion, organizations prioritize safeguarding confidential information that they have agreed to protect for their customers, such as proprietary business plans, financial details, or healthcare information. SOC 2 compliance obligations involve adopting methods to flag private information as it is created or received and establishing policies for its storage. Additionally, organizations must have strategies in place for securely erasing confidential information when it is no longer needed.

The confidentiality criterion is essential for organizations entrusted with safeguarding sensitive information. Industries like legal, finance, and intellectual property management, where confidential data is a core asset, should seriously consider this criterion, as should businesses dealing with proprietary information. Conversely, businesses that mainly handle publicly available information might find the rigorous confidentiality standards excessive and not directly applicable to their operations.

Privacy

The privacy criterion centers on the secure collection, storage, and handling of customers’ personal information. SOC 2 compliance ensures that organizations protect sensitive customer data, such as names, addresses, or purchase history, instilling confidence in customers about how their personal information is handled.

The privacy criterion is critical for organizations that collect and manage customers’ personal information. Companies in sectors such as e-commerce, social media, and healthcare that process customer data extensively should embrace the privacy criterion. It assures customers that their personal information is treated securely and transparently. Conversely, businesses that do not handle sensitive personal data in significant quantities might find the privacy criterion’s focus on personal information management less relevant and might not require its stringent measures.

Processing Integrity

The processing integrity criterion ensures that organizations deliver services accurately, on time, without delays, and without unauthorized access. It focuses on detecting and resolving processing errors promptly, maintaining incident-free data storage and management, and preventing unauthorized manipulation of system inputs and outputs.

The processing integrity criterion is particularly important for organizations that provide services requiring accurate and timely delivery. Sectors like financial services, logistics, and telecommunications benefit from maintaining high standards of processing integrity. This criterion is ideal for businesses that need to ensure their systems and processes are error-free and secure against unauthorized access. Conversely, companies with less time-sensitive services may not need the same level of focus on immediate processing accuracy and may find the processing integrity criterion less applicable to their operations.

Key Benefits of SOC 2 Compliance

SOC 2 compliance offers organizations reap several significant advantages that enhance their overall security outlook and foster trust with customers and partners:

  • Enhances operational visibility and monitoring: SOC 2 compliance provides organizations with a comprehensive view of their security measures and internal controls, enabling proactive monitoring, swift threat detection, risk mitigation, and informed decision making.
  • Strengthens protection against unauthorized access: SOC 2 compliance assures customers that their sensitive data is handled securely and protected from unauthorized access. Robust security controls, access management, and encryption safeguard data throughout its lifecycle.
  • Improves security posture and risk management: SOC 2 compliance identifies areas for improvement and encourages the implementation of best practices, enhancing overall security posture and cybersecurity resilience.
  • Builds trust with third-party stakeholders: SOC 2 compliance demonstrates an organization’s commitment to data security, instilling confidence in customers, partners, and stakeholders, paving the way for business expansion and strategic partnerships.
  • Streamlines regulatory compliance efforts: SOC 2 compliance overlaps with other frameworks, allowing organizations to leverage efforts for meeting multiple regulatory standards. Compliance mapping further simplifies meeting industry-specific regulations.

Comparing SOC 2 With Other Security Certifications

Organizations often seek various security certifications to demonstrate their commitment to safeguarding sensitive information and meeting industry standards. Each certification offers a unique approach to evaluating security controls and can help organizations improve their overall cybersecurity position.

Let’s compare SOC 2 to some other security certifications.

SOC 1 vs. SOC 2 vs. SOC 3

The Service Organization Control (SOC) reporting framework developed by the American Institute of Certified Public Accountants (AICPA) includes SOC 1, SOC 2, and SOC 3 reports:

  • SOC 1 focuses on internal controls over financial reporting, ensuring the accuracy and integrity of financial information for user entities.
  • SOC 2 is geared towards technology companies and evaluates internal controls related to the TSC, with SOC 2 reports often being distributed publicly to demonstrate an organization’s commitment to information security.
  • SOC 3 represents a modification of SOC 2, delivering SOC 2 outcomes in a format that’s easy for the general public to digest.

While SOC 2 and SOC 3 primarily focus on controls related to technology services, SOC 1 addresses controls relevant to financial reporting. Organizations may opt to undergo SOC 1, SOC 2, or both audits, depending on their business operations and customer demands.

SOC 1 vs. SOC 2 vs. SOC 3

SOC 2 vs. SOX

SOC 2 and the Sarbanes-Oxley Act (SOX) serve different purposes and have distinct compliance requirements. SOX is a U.S. federal law aimed at preventing accounting and securities fraud, specifically targeting financial reporting practices at public companies.

Compliance with SOX is mandatory for publicly traded companies, while SOC 2 is a voluntary certification. Thus, while SOC 2 is often pursued by SaaS providers and technology companies to showcase their dedication toward data security, SOX compliance aims to protect investors and the general public by ensuring the accuracy and reliability of financial disclosures. These distinct objectives make SOC 2 and SOX vital in their respective domains while addressing diverse aspects of organizational operations.

SOC 2 vs. ISO 27001

Comparing SOC 2 and ISO 27001

Both SOC 2 and ISO 27001 are widely recognized frameworks for evaluating and improving an organization’s cybersecurity posture. ISO 27001 is an international standard for information security management systems (ISMS), providing a framework for organizations to protect the confidentiality, integrity, and availability of information. It focuses on developing and maintaining an ISMS, allowing organizations to choose controls that align with their specific needs and industry standards. In this way, ISO 27001 differs from SOC’s focus on evaluating an organization’s current security controls, based on compliance with the TSC.

How to Implement SOC 2 Compliance

SOC 2 Implementation Process Flow

Implementing SOC 2 compliance can be a complex process, but with the right approach and tools, it can be streamlined and efficient. Here’s how your organization can implement SOC 2 compliance, in eight simple steps:

Step 1: Assessing and Addressing Control Gaps Through a SOC 2 Readiness Assessment

Navigating the complex landscape of SOC 2 compliance can be overwhelming, especially with the abundance of terminology and many optional standards to consider. To ensure SOC compliance, organizations can seek guidance from SOC 2 providers who will help to tailor the compliance process to specific needs, saving valuable time.

The SOC 2 readiness assessment acts as a pre-audit check, preparing the organization for the official compliance audit or validating its current readiness. This assessment is designed to identify potential areas of non-compliance and evaluate current practices against the required criteria.

What the Readiness Assessment Offers

By performing a readiness assessment, organizations gain:

  • A comprehensive list of observations and recommendations for improvement.
  • Documentation of “control” practices that align with compliance criteria.
  • Detailed information on the audit evidence required and the auditor’s test procedures, ensuring transparency throughout the audit process.

Understanding the Purpose and Type of SOC 2 Report

Before embarking on your SOC 2 compliance journey, clarify the purpose of the SOC 2 report. Consider the specific reasons driving the organization’s commitment to SOC 2 compliance, such as meeting customer demands for heightened security measures, strengthening the organization’s security posture to safeguard against data breaches, and protecting the organization’s reputation, or expanding into new markets where SOC 2 compliance is valued.

Choosing the appropriate SOC 2 report type is equally important; Type I and Type II are available. As mentioned above:

  • The SOC 2 Type I report affirms that your internal controls meet the SOC 2 checklist requirements at a specific point in time, providing a snapshot of the organization’s compliance status.
  • The SOC 2 Type II report confirms that your controls have been effective over a specific period, showcasing continuous compliance.

Select the report type based on your customers’ requirements, project timelines, and the level of detail needed for your controls.

Step 2: Selecting Relevant Trust Services Criteria (TSC) Aligned with Customer Needs

Defining the scope of your SOC 2 audit showcases your organization’s understanding of data security requirements in accordance with SOC 2 compliance standards. Neglecting to incorporate relevant TSC within your SOC 2 scope can lead to heightened cybersecurity risks and significant business repercussions. It is essential to conduct a thorough assessment and ensure all relevant criteria are considered to maintain the integrity of your compliance efforts.

To begin, assess the type of data your organization handles, and whether that involves storing or transmitting sensitive information. Consider the regulatory requirements applicable to your industry, as they will influence the criteria selection. Invariably, the Security TSC is a fundamental requirement for every organization undergoing a SOC 2 audit. However, beyond security, different organizations focus on different TSCs (or a combination of multiple TSCs) to fulfill their SOC 2 compliance journey.

Examples of Catering to Customer Needs

Understanding your customers’ specific needs is crucial in tailoring your SOC 2 compliance approach. Above, under “What Are the SOC 2 Service Trust Criteria?” we discussed specific examples of aligning TSC selection with customer requirements.

Step 3: Optimizing Efficiency and Cost-Effectiveness with Compliance Automation Software

To streamline the compliance process and enhance efficiency while keeping costs in check, organizations looking to ensure their SOC 2 compliance in house can leverage the benefits of compliance automation software. This powerful tool automates various aspects of compliance, offering a centralized platform that simplifies readiness assessments, evidence collection, policy templates, and the overall audit management process.

Why Automation? Continuous Monitoring Practices

Achieving SOC 2 compliance is not a one-time event; rather, it is an ongoing process that demands continuous vigilance—especially for Type II reports. Establishing a robust continuous monitoring practice ensures that your organization maintains compliance standards throughout the year and remains well-prepared for annual SOC 2 audits. With continuous monitoring in place, you can proactively identify and address security gaps, promptly respond to changes, and maintain a strong security posture.

A well-designed continuous monitoring practice should adhere to the following principles:

  • Seamless evidence collection: The monitoring practice should simplify the process of gathering and managing evidence, reducing manual efforts and saving time.
  • Alert mechanism: An effective monitoring practice should have an alert system that promptly notifies you of any control deployment failures or errors, enabling quick corrective action.
  • Minimal impact on productivity: Monitoring measures should not hinder your employees’ productivity but rather operate in the background while efficiently safeguarding your systems.
  • Comprehensive insights: The monitoring system should provide both an overall view and a detailed, entity-level understanding of your organization’s information security health at any given moment.
  • Scalability: As your organization grows, your monitoring practice should be able to adapt and scale effortlessly to meet evolving compliance requirements.

Selecting the Right Compliance Automation Software

When considering compliance automation software options, you should focus on solutions that are compatible with SOC 2 and align with your organization’s unique needs. Choosing the right compliance automation software includes factors like required features, compatibility with relevant compliance frameworks, ease of use, and the availability of robust customer support. Additionally, it’s important to note that while some tools may claim automation, it’s crucial to ensure they truly streamline processes. If they require extensive manual work, they would offer no greater advantage or benefits than organizing an Excel spreadsheet from scratch.

Carefully considering these factors can help you shortlist and ultimately select the right compliance automation software that ensures efficiency, compliance, and peace of mind for your organization.

Step 4: Partnering With a Licensed CPA Firm Offering Integrated Compliance Automation

Selecting the right Certified Public Accountant (CPA) firm for your SOC 2 audit is a major decision that significantly impacts the success of your compliance journey. To ensure a seamless and efficient audit process, consider a licensed CPA firm that also provides compliance automation software, offering an all-in-one solution. Note that doing so would make Step 3 redundant.

Factors to consider when choosing a licensed CPA firm for a SOC 2 audit include:

  • Industry-specific expertise: Look for a CPA firm with experience in auditing companies similar to yours in terms of size and sector. This expertise ensures that the audit team understands your unique security needs and can tailor the assessment accordingly.
  • Time period of assessment: SOC 2 Type II reports require evaluation over a specific period. Clarify with the CPA firm the general timeframe and assessment period they follow to align expectations.
  • Process and scope management: Assess how the CPA firm manages the SOC 2 audit process. Ensure they adhere to the latest AICPA guidelines and have a clear, well-defined process and scope for conducting audits.
  • Flexibility and collaboration: Find a CPA firm that offers a flexible approach and respects your organization’s strengths. Collaboration and a creative problem-solving mindset are vital for a successful audit experience.
  • Accountability and communication: Ensure the CPA firm is committed to timely responses and adhering to agreed-upon turnaround times. Effective communication is key to a smooth audit process.
  • Quality of team: Focus on the specific team that will be collaborating with you during the audit, not just the overall reputation of the firm. Interact with the delivery team and gauge their ability to understand your requirements.
  • References and success stories: Request references from organizations similar to your own and inquire about their experience with the CPA firm. Hearing from those who closely collaborated with the auditor can provide valuable insights.

Step 5: Thoroughly Reviewing Recent Organizational Changes for SOC 2 Audit Readiness

As your organization prepares for an upcoming SOC 2 audit, it’s important to conduct a comprehensive review of recent organizational changes. Examining personnel, services, and tools helps ensure that your assessment accurately reflects your current operations.

Ideally, start the review process six months before your scheduled SOC 2 audit. This timeline allows sufficient time to address any potential control gaps or discrepancies before the audit begins.

Personnel Changes

Review all personnel changes that occurred within the twelve months leading up to the audit. This includes new hires, terminations, promotions, role changes, and transfers within your organization.

To obtain personnel change information:

  • Review your human resources records—including employment contracts, offer letters, and employee profiles—to identify any recent personnel changes.
  • Analyze access control logs and permissions to verify that former employees’ access was revoked promptly.

Service Offerings and Modifications

Examine any updates or modifications to the services your organization provides to clients since the last audit. This review ensures that your control practices align with your current service offerings.

To obtain service offering information:

  • Consult your service descriptions and marketing materials to understand any changes or expansions in your service offerings.
  • Analyze recent client contracts and agreements to identify any service modifications or additions.

Tooling and Technology Updates

Assess changes to your technology infrastructure, including software and tools used within your organization. This step helps to identify potential impacts on your internal controls.

To obtain technology update information:

  • Access IT change logs to identify recent updates, installations, or changes to software and tools in your technology stack.
  • Consult with your IT team or system administrators to gather information about any technology updates or upgrades.

Involvement of Key Stakeholders

Conduct the review with a team of individuals who are familiar with your organization’s operations and controls. This team should include representatives from various departments, including IT, HR, and compliance. Their insights will contribute to a more comprehensive and accurate review.

Use a Variety of Data Sources and Document Your Findings

Consider additionally utilizing data sources such as incident reports, customer feedback, and vendor contracts. These sources can provide valuable context and insights into the effectiveness of your control practices.

Document the results of the review in a comprehensive report. This report should include the findings related to personnel, services, and tools. It should also highlight any potential control gaps or areas for improvement. Review this report with management and use it as a basis for making necessary changes to your control practices.

Step 6: Creating a Timeline and Delegate Tasks to Obtain a System Description

Compliance automation software can also be used to create a structured timeline, delegate tasks efficiently, and generate a system description—the important information gathered as part of the audit.

  1. Identify and structure tasks: Initiate the compliance journey by thoroughly identifying all essential tasks required for SOC 2 compliance. Break down the compliance requirements into actionable items encompassing data gathering, policy updates, evidence collection, and process documentation. With the compliance automation software, craft a comprehensive checklist of tasks, providing a clear roadmap for your compliance efforts.
  2. Strategically delegate tasks: Assign tasks to team members based on their skills, expertise, and availability. The compliance automation software simplifies task allocation, providing a clear overview of each team member’s workload.
  3. Leverage software features for progress tracking and communication: Utilize the compliance automation software’s features to closely monitor task progress and facilitate seamless communication among team members. The project dashboard can provide real-time insights into task statuses and proactively identify potential bottlenecks and delays. The software fosters smooth communication channels, promoting collaboration and stakeholder awareness.
  4. Ensure regular timeline and task review: Regularly review the compliance timeline and task progress to ensure that compliance efforts stay on track. The compliance automation software aids this process with automated notifications and reminders, ensuring team members adhere to established timelines.
  5. Seek clarification as needed: Throughout the audit process, consult with auditors whenever questions or concerns arise. Rely on their expertise and guidance to ensure that your organization meets all the necessary requirements to achieve SOC 2 compliance.

Step 7: Issuing a Report

Once the SOC 2 audit process is successfully completed, the next critical step is the issuance of the audit report. The report is formally issued to your organization by the auditor or CPA firm. The report highlights your organization’s adherence to the TSC and the effectiveness of your internal controls. As the service organization, it is your responsibility to share this report with your customers in an appropriate manner, ensuring transparency and integrity in its communication.

Understand the Report’s Scope

Before distributing the report to customers, it is essential that you are thoroughly familiar with its scope and implications. The report provides valuable insights into your organization’s security, availability, processing integrity, confidentiality, and privacy controls. Ensure that you fully understand the report’s content to effectively communicate its significance to your customers.

When sharing the audit report with customers, be completely transparent. Present the report in its entirety, without any omissions or alterations that might mislead or deceive end users regarding its purpose or scope. Providing an accurate representation of the audit findings builds trust with customers and demonstrates your commitment to compliance and data security.

Compliance with Terms and Conditions

Adhere to the terms and conditions set forth by the audit firm regarding the report’s distribution. Ensure that it is shared in a manner that aligns with those stipulations, reflecting the report’s true intent and purpose. Avoid sharing an incomplete or misleading version that may undermine the report’s validity or compromise its integrity.

Addressing Customer Queries

Be prepared to address any queries or concerns raised by customers regarding the audit report. Clear communication and a willingness to discuss the report’s contents and implications demonstrate your commitment to customer satisfaction and a proactive approach to data security.

Step 8: Addressing and Resolving Any Audit Findings

To ensure a seamless SOC 2 compliance process, it’s essential to promptly address any audit findings. Begin by thoroughly reviewing the findings from the SOC 2 audit. Assess control deficiencies and areas requiring improvement to gain insights into your organization’s compliance status.

Finally, collaborate with key stakeholders, including IT, HR, and compliance representatives, to develop effective solutions for each identified deficiency. Implement corrective actions and assign responsibilities to the relevant teams or individuals. By proactively addressing and rectifying previous findings, your organization showcases its commitment to maintaining robust controls and data security. This proactive approach not only prepares your organization for the next SOC 2 audit but also instills confidence and trust in your customers.

Conclusion

Prioritizing SOC 2 compliance not only meets customer demands but also demonstrates your dedication to maintaining a high level of information security, building trust with customers and stakeholders, and protecting your brand reputation. By achieving SOC 2 certification, your organization gains a competitive advantage in industries where data privacy and security are paramount concerns.

Gcore utilizes modern methods to offer reliable, multi-level protection for all types of information. Our infrastructure adheres to global security requirements, and our certificates validate this commitment.

Related articles

11 simple tips for securing your APIs

A vast 84% of organizations have experienced API security incidents in the past year. APIs (application programming interfaces) are the backbone of modern technology, allowing seamless interaction between diverse software platforms. However, this increased connectivity comes with a downside: a higher risk of security breaches, which can include injection attacks, credential stuffing, and L7 DDoS attacks, as well as the ever-growing threat of AI-based attacks.Fortunately, developers and IT teams can implement DIY API protection. Mitigating vulnerabilities involves using secure coding techniques, conducting thorough testing, and applying strong security protocols and frameworks. Alternatively, you can simply use a WAAP (web application and API protection) solution for specialized, one-click, robust API protection.This article explains 11 practical tips that can help protect your APIs from security threats and hacking attempts, with examples of commands and sample outputs to provide API security.#1 Implement authentication and authorizationUse robust authentication mechanisms to verify user identity and authorization strategies like OAuth 2.0 to manage access to resources. Using OAuth 2.0, you can set up a token-based authentication system where clients request access tokens using credentials. # Requesting an access token curl -X POST https://yourapi.com/oauth/token \ -d "grant_type=client_credentials" \ -d "client_id=your_client_id" \ -d "client_secret=your_client_secret" Sample output: { "access_token": "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9...", "token_type": "bearer", "expires_in": 3600 } #2 Secure communication with HTTPSEncrypting data in transit using HTTPS can help prevent eavesdropping and man-in-the-middle attacks. Enabling HTTPS may involve configuring your web server with SSL/TLS certificates, such as Let’s Encrypt with nginx. sudo certbot --nginx -d yourapi.com #3 Validate and sanitize inputValidating and sanitizing all user inputs protects against injection and other attacks. For a Node.js API, use express-validator middleware to validate incoming data. app.post('/api/user', [ body('email').isEmail(), body('password').isLength({ min: 5 }) ], (req, res) => { const errors = validationResult(req); if (!errors.isEmpty()) { return res.status(400).json({ errors: errors.array() }); } // Proceed with user registration }); #4 Use rate limitingLimit the number of requests a client can make within a specified time frame to prevent abuse. The express-rate-limit library implements rate limiting in Express.js. const rateLimit = require('express-rate-limit'); const apiLimiter = rateLimit({ windowMs: 15 * 60 * 1000, // 15 minutes max: 100 }); app.use('/api/', apiLimiter); #5 Undertake regular security auditsRegularly audit your API and its dependencies for vulnerabilities. Runnpm auditin your Node.js project to detect known vulnerabilities in your dependencies.  npm audit Sample output: found 0 vulnerabilities in 1050 scanned packages #6 Implement access controlsImplement configurations so that users can only access resources they are authorized to view or edit, typically through roles or permissions. The two more common systems are Role-Based Access Control (RBAC) and Attribute-Based Access Control (ABAC) for a more granular approach.You might also consider applying zero-trust security measures such as the principle of least privilege (PoLP), which gives users the minimal permissions necessary to perform their tasks. Multi-factor authentication (MFA) adds an extra layer of security beyond usernames and passwords.#7 Monitor and log activityMaintain comprehensive logs of API activity with a focus on both performance and security. By treating logging as a critical security measure—not just an operational tool—organizations can gain deeper visibility into potential threats, detect anomalies more effectively, and accelerate incident response.#8 Keep dependencies up-to-dateRegularly update all libraries, frameworks, and other dependencies to mitigate known vulnerabilities. For a Node.js project, updating all dependencies to their latest versions is vital. npm update #9 Secure API keysIf your API uses keys for access, we recommend that you make sure that they are securely stored and managed. Modern systems often utilize dynamic key generation techniques, leveraging algorithms to automatically produce unique and unpredictable keys. This approach enhances security by reducing the risk of brute-force attacks and improving efficiency.#10 Conduct penetration testingRegularly test your API with penetration testing to identify and fix security vulnerabilities. By simulating real-world attack scenarios, your organizations can systematically identify vulnerabilities within various API components. This proactive approach enables the timely mitigation of security risks, reducing the likelihood of discovering such issues through post-incident reports and enhancing overall cybersecurity resilience.#11 Simply implement WAAPIn addition to taking the above steps to secure your APIs, a WAAP (web application and API protection) solution can defend your system against known and unknown threats by consistently monitoring, detecting, and mitigating risks. With advanced algorithms and machine learning, WAAP safeguards your system from attacks like SQL injection, DDoS, and bot traffic, which can compromise the integrity of your APIs.Take your API protection to the next levelThese steps will help protect your APIs against common threats—but security is never one-and-done. Regular reviews and updates are essential to stay ahead of evolving vulnerabilities. To keep on top of the latest trends, we encourage you to read more of our top cybersecurity tips or download our ultimate guide to WAAP.Implementing specialized cybersecurity solutions such as WAAP, which combines web application firewall (WAF), bot management, Layer 7 DDoS protection, and API security, is the best way to protect your assets. Designed to tackle the complex challenges of API threats in the age of AI, Gcore WAAP is an advanced solution that keeps you ahead of security threats.Discover why WAAP is a non-negotiable with our free ebook

What are zero-day attacks? Risks, prevention tips, and new trends

Zero-day attack is a term for any attack that targets a vulnerability in software or hardware that has yet to be discovered by the vendor or developer. The term “zero-day” stems from the idea that the developer has had zero days to address or patch the vulnerability before it is exploited.In a zero-day attack, an attacker finds a vulnerability before a developer discovers and patches itThe danger of zero-day attacks lies in their unknownness. Because the vulnerabilities they target are undiscovered, traditional defense mechanisms or firewalls may not detect them as no specific patch exists, making attack success rates higher than for known attack types. This makes proactive and innovative security measures, like AI-enabled WAAP, crucial for organizations to stay secure.Why are zero-day attacks a threat to businesses?Zero-day attacks pose a unique challenge for businesses due to their unpredictable nature. Since these exploits take advantage of previously unknown vulnerabilities, organizations have no warning or time to deploy a patch before they are targeted. This makes zero-day attacks exceptionally difficult to detect and mitigate, leaving businesses vulnerable to potentially severe consequences. As a result, zero-day attacks can have devastating consequences for organizations of all sizes. They pose financial, reputational, and regulatory risks that can be difficult to recover from, including the following:Financial and operational damage: Ransomware attacks leveraging zero-day vulnerabilities can cripple operations and lead to significant financial losses due to data breach fines. According to recent studies, the average cost of a data breach in 2025 has surpassed $5 million, with zero-day exploits contributing significantly to these figures.Reputation and trust erosion: Beyond monetary losses, zero-day attacks erode customer trust. A single breach can damage an organization’s reputation, leading to customer churn and lost opportunities.Regulatory implications: With strict regulations like GDPR in the EU and similar frameworks emerging globally, organizations face hefty fines for data breaches. Zero-day vulnerabilities, though difficult to predict, do not exempt businesses from compliance obligations.The threat is made clear by recent successful examples of zero-day attacks. The Log4j vulnerability (Log4Shell), discovered in 2021, affected millions of applications worldwide and was widely exploited. In 2023, the MOVEit Transfer exploit was used to compromise data from numerous government and corporate systems. These incidents demonstrate how zero-day attacks can have far-reaching consequences across different industries.New trends in zero-day attacksAs cybercriminals become more sophisticated, zero-day attacks continue to evolve. New methods and technologies are making it easier for attackers to exploit vulnerabilities before they are discovered. The latest trends in zero-day attacks include AI-powered attacks, expanding attack surfaces, and sophisticated multi-vendor attacks.AI-powered attacksAttackers are increasingly leveraging artificial intelligence to identify and exploit vulnerabilities faster than ever before. AI tools can analyze vast amounts of code and detect potential weaknesses in a fraction of the time it would take a human. Moreover, AI can automate the creation of malware, making attacks more frequent and harder to counter.For example, AI-driven malware can adapt in real time to avoid detection, making it particularly effective in targeting enterprise networks and cloud-based applications. Hypothetically, an attacker could use an AI algorithm to scan for weaknesses in widely used SaaS applications, launching an exploit before a patch is even possible.Expanding attack surfacesThe digital transformation continues to expand the attack surface for zero-day exploits. APIs, IoT devices, and cloud-based services are increasingly targeted, as they often rely on interconnected systems with complex dependencies. A single unpatched vulnerability in an API could provide attackers with access to critical data or applications.Sophisticated multi-vector attacksCybercriminals are combining zero-day exploits with other tactics, such as phishing or social engineering, to create multi-vector attacks. This approach increases the likelihood of success and makes defense efforts more challenging.Prevent zero-day attacks with AI-powered WAAPWAAP solutions are becoming a cornerstone of modern cybersecurity, particularly in addressing zero-day vulnerabilities. Here’s how they help:Behavioral analytics: WAAP solutions use behavioral models to detect unusual traffic patterns, blocking potential exploits before they can cause damage.Automated patching: By shielding applications with virtual patches, WAAP can provide immediate protection against vulnerabilities while a permanent fix is developed.API security: With APIs increasingly targeted, WAAP’s ability to secure API endpoints is critical. It ensures that only authorized requests are processed, reducing the risk of exploitation.How WAAP stops AI-driven zero-day attacksAI is not just a tool for attackers—it is also a powerful ally for defenders. Machine learning algorithms can analyze user behavior and network activity to identify anomalies in real time. These systems can detect and block suspicious activities that might indicate an attempted zero-day exploit.Threat intelligence platforms powered by AI can also predict emerging vulnerabilities by analyzing trends and known exploits. This enables organizations to prepare for potential attacks before they occur.At Gcore, our WAAP solution combines these features to provide comprehensive protection. By leveraging cutting-edge AI and machine learning, Gcore WAAP detects and mitigates threats in real time, keeping web applications and APIs secure even from zero-day attacks.More prevention techniquesBeyond WAAP, layering protection techniques can further enhance your business’ ability to ward off zero-day attacks. Consider the following measures:Implement a robust patch management system so that known vulnerabilities are addressed promptly.Conduct regular security assessments and penetration testing to help identify potential weaknesses before attackers can exploit them.Educate employees about phishing and other social engineering tactics to decease the likelihood of successful attacks.Protect your business against zero-day attacks with GcoreZero-day attacks pose a significant threat to businesses, with financial, reputational, and regulatory consequences. The rise of AI-powered cyberattacks and expanding digital attack surfaces make these threats even more pressing. Organizations must adopt proactive security measures, including AI-driven defense mechanisms like WAAP, to protect their critical applications and data. By leveraging behavioral analytics, automated patching, and advanced threat intelligence, businesses can minimize their risk and stay ahead of attackers.Gcore’s AI-powered WAAP provides the robust protection your business needs to defend against zero-day attacks. With real-time threat detection, virtual patching, and API security, Gcore WAAP ensures that your web applications remain protected against even the most advanced cyber threats, including zero-day threats. Don’t wait until it’s too late—secure your business today with Gcore’s cutting-edge security solutions.Discover how WAAP can help stop zero-day attacks

Why do bad actors carry out Minecraft DDoS attacks?

One of the most played video games in the world, Minecraft, relies on servers that are frequently a target of distributed denial-of-service (DDoS) attacks. But why would malicious actors target Minecraft servers? In this article, we’ll look at why these servers are so prone to DDoS attacks and uncover the impact such attacks have on the gaming community and broader cybersecurity landscape. For a comprehensive analysis and expert tips, read our ultimate guide to preventing DDoS attacks on Minecraft servers.Disruption for financial gainFinancial exploitation is a typical motivator for DDoS attacks in Minecraft. Cybercriminals frequently demand ransom to stop their attacks. Server owners, especially those with lucrative private or public servers, may feel pressured to pay to restore normalcy. In some cases, bad actors intentionally disrupt competitors to draw players to their own servers, leveraging downtime for monetary advantage.Services that offer DDoS attacks for hire make these attacks more accessible and widespread. These malicious services target Minecraft servers because the game is so popular, making it an attractive and easy option for attackers.Player and server rivalriesRivalries within the Minecraft ecosystem often escalate to DDoS attacks, driven by competition among players, servers, hosts, and businesses. Players may target opponents during tournaments to disrupt their gaming experience, hoping to secure prize money for themselves. Similarly, players on one server may initiate attacks to draw members to their server and harm the reputation of other servers. Beyond individual players, server hosts also engage in DDoS attacks to disrupt and induce outages for their rivals, subsequently attempting to poach their customers. On a bigger scale, local pirate servers may target gaming service providers entering new markets to harm their brand and hold onto market share. These rivalries highlight the competitive and occasionally antagonistic character of the Minecraft community, where the stakes frequently surpass in-game achievements.Personal vendettas and retaliationPersonal conflicts can occasionally be the source of DDoS attacks in Minecraft. In these situations, servers are targeted in retribution by individual gamers or disgruntled former employees. These attacks are frequently the result of complaints about unsolved conflicts, bans, or disagreements over in-game behavior. Retaliation-driven DDoS events can cause significant disruption, although lower in scope than attacks with financial motivations.Displaying technical masterySome attackers carry out DDoS attacks to showcase their abilities. Minecraft is a perfect testing ground because of its large player base and community-driven server infrastructure. Successful strikes that demonstrate their skills enhance reputations within some underground communities. Instead of being a means to an end, the act itself becomes a badge of honor for those involved.HacktivismHacktivists—people who employ hacking as a form of protest—occasionally target Minecraft servers to further their political or social goals. These attacks are meant to raise awareness of a subject rather than be driven by personal grievances or material gain. To promote their message, they might, for instance, assault servers that are thought to support unfair policies or practices. This would be an example of digital activism. Even though they are less frequent, these instances highlight the various reasons why DDoS attacks occur.Data theftMinecraft servers often hold significant user data, including email addresses, usernames, and sometimes even payment information. Malicious actors sometimes launch DDoS attacks as a smokescreen to divert server administrators’ attention from their attempts to breach the server and steal confidential information. This dual-purpose approach disrupts gameplay and poses significant risks to user privacy and security, making data theft one of the more insidious motives behind such attacks.Securing the Minecraft ecosystemDDoS attacks against Minecraft are motivated by various factors, including personal grudges, data theft, and financial gain. Every attack reveals wider cybersecurity threats, interferes with gameplay, and damages community trust. Understanding these motivations can help server owners take informed steps to secure their servers, but often, investing in reliable DDoS protection is the simplest and most effective way to guarantee that Minecraft remains a safe and enjoyable experience for players worldwide. By addressing the root causes and improving server resilience, stakeholders can mitigate the impact of such attacks and protect the integrity of the game.Gcore offers robust, multi-layered security solutions designed to shield gaming communities from the ever-growing threat of DDoS attacks. Founded by gamers for gamers, Gcore understands the industry’s unique challenges. Our tools enable smooth gameplay and peace of mind for both server owners and players.Want an in-depth look at how to secure your Minecraft servers?Download our ultimate guide

What is a DDoS attack?

A DDoS (distributed denial-of-service) attack is a type of cyberattack in which a hacker overwhelms a server with an excessive number of requests, causing the server to stop functioning properly. This can cause the website, app, game, or other online service to become slow, unresponsive, or completely unavailable. DDoS attacks can result in lost customers and revenue for the victim. DDoS attacks are becoming increasingly common, with a 46% increase in the first half of 2024 compared to the same period in 2023.How do DDoS attacks work?DDoS attacks work by overwhelming and flooding a company’s resources so that legitimate users cannot get through. The attacker creates huge amounts of malicious traffic by creating a botnet, a collection of compromised devices that work together to carry out the attack without the device owners’ knowledge. The attacker, referred to as the botmaster, sends instructions to the botnet in order to implement the attack. The attacker forces these bots to send an enormous amount of internet traffic to a victim’s resource. As a result, the server can’t process real users trying to access the website or app. This causes customer dissatisfaction and frustration, lost revenue, and reputational damage for companies.Think of it this way: Imagine a vast call center. Someone dials the number but gets a busy tone. This is because a single spammer has made thousands of automated calls from different phones. The call center’s lines are overloaded, and the legitimate callers cannot get through.DDoS attacks work similarly, but online: The fraudster’s activity completely blocks the end users from reaching the website or online service.Different types of DDoS attacksThere are three categories of DDoS attacks, each attacking a different network communication layer. These layers come from the OSI (Open Systems Interconnection) model, the foundational framework for network communication that describes how different systems and devices connect and communicate. This model has seven layers. DDoS attacks seek to exploit vulnerabilities across three of them: L3, L4, and L7.While all three types of attacks have the same end goal, they differ in how they work and which online resources they target. L3 and L4 DDoS attacks target servers and infrastructure, while L7 attacks affect the app itself.Volumetric attacks (L3) overwhelm the network equipment, bandwidth, or server with a high volume of traffic.Connection protocol attacks (L4) target the resources of a network-based service, like website firewalls or server operating systems.Application layer attacks (L7) overwhelm the network layer, where the application operates with many malicious requests, which leads to application failure.1. Volumetric attacks (L3)L3, or volumetric, DDoS attacks are the most common form of DDoS attack. They work by flooding internal networks with malicious traffic, aiming to exhaust bandwidth and disrupt the connection between the target network or service and the internet. By exploiting key communication protocols, attackers send massive amounts of traffic, often with spoofed IP addresses, to overwhelm the victim’s network. As the network equipment strains to process this influx of data, legitimate requests are delayed or dropped, leading to service degradation or even complete network failure.2. Connection protocol attacks (L4)Protocol attacks occur when attackers send connection requests from multiple IP addresses to target server open ports. One common tactic is a SYN flood, where attackers initiate connections without completing them. This forces the server to allocate resources to these unfinished sessions, quickly leading to resource exhaustion. As these fake requests consume the server’s CPU and memory, legitimate traffic is unable to get through. Firewalls and load balancers managing incoming traffic can also be overwhelmed, resulting in service outages.3. Application layer attacks (L7)Application layer attacks strike at the L7 layer, where applications operate. Web applications handle everything from simple static websites to complex platforms like e-commerce sites, social media networks, and SaaS solutions. In an L7 attack, a hacker deploys multiple bots or machines to repeatedly request the same resource until the server becomes overwhelmed.By mimicking genuine user behavior, attackers flood the web application with seemingly legitimate requests, often at high rates. For example, they might repeatedly submit incorrect login credentials or overload the search function by continuously searching for products. As the server consumes its resources managing these fake requests, genuine users experience slow response times or may be completely denied access to the application.How can DDoS attacks be prevented?To stay one step ahead of attackers, use a DDoS protection solution to protect your web resources. A mitigation solution detects and blocks harmful DDoS traffic sent by attackers, keeping your servers and applications safe and functional. If an attacker targets your server, your legitimate users won’t notice any change—even during a considerable attack—because the protection solution will allow safe traffic while identifying and blocking malicious requests.DDoS protection providers also give you reports on attempted DDoS attacks. This way, you can track when the attack happened, as well as the size and scale of the attack. This enables you to respond effectively, analyze the potential implications of the attack, and implement risk management strategies to mitigate future disruptions.Repel DDoS attacks with GcoreAt Gcore, we offer robust and proven security solutions to protect your business from DDoS attacks. Gcore DDoS Protection provides comprehensive mitigation at L3, L4, and L7 for websites, apps, and servers. We also offer L7 protection as part of Gcore WAAP, which keeps your web apps and APIs secure against a range of modern threats using AI-enabled threat detection.Take a look at our recent Radar report to learn more about the latest DDoS attack trends and the changing strategies and patterns of cyberattacks.Read our DDoS Attack Trends Radar report

How to Spot and Stop a DDoS Attack

The faster you detect and resolve a DDoS (distributed denial-of-service) attack, the less damage it can do to your business. Read on to learn how to identify the signs of a DDoS attack, differentiate it from other issues, and implement effective protection strategies to safeguard your business. You’ll also discover why professional mitigation is so important for your business.The Chronology of a DDoS AttackThe business impact of a DDoS attack generally increases the longer it continues. While the first few minutes might not be noticeable without a dedicated solution with monitoring capabilities, your digital services could be taken offline within an hour. No matter who your customer is or how you serve them, every business stands to lose customers, credibility, and revenue through downtime.The First Few Minutes: Initial Traffic SurgeAttackers often start with a low-volume traffic flow to avoid early detection. This phase, known as pre-flooding, evaluates the target system’s response and defenses. You may notice a slight increase in traffic, but it could still be within the range of normal fluctuations.Professional DDoS mitigation services use algorithms to spot these surges, identify whether the traffic increase is malicious, and stop attacks before they can have an impact. Without professional protection, it’s almost impossible to spot this pre-flooding phase, leading you into the following phases of an attack.The First Hour: Escalating TrafficThe attack will quickly escalate, resulting in a sudden and extreme increase in traffic volume. During this stage, network performance will start to degrade noticeably, causing unusually slow loading times for websites and services.Look out for network disconnections, or unusually slow performance. These are telltale signs of a DDoS attack in its early stages.The First Few Hours: Service DisruptionAs the attack intensifies, the website may become completely inaccessible. You might experience an increased volume of spam emails as part of a coordinated effort to overwhelm your systems. Frequent loss of connectivity within the local network can occur as the attack overloads the infrastructure.You can identify this stage by looking for website or network unavailability. Users will experience continuous problems when trying to connect to the targeted application or server.Within 24 Hours: Sustained ImpactIf the attack continues, the prolonged high traffic volume will cause extended service outages and significant slowdowns. By this point, it is clear that a DDoS attack is in progress, especially if multiple indicators are present simultaneously.By now, not only is your website and/or network unavailable, but you’re also at high risk of data breaches due to the loss of control of your digital resources.Distinguishing DDoS Attacks from Other IssuesWhile DDoS attack symptoms like slow performance and service outages are common, they can also be caused by other problems. Here’s how to differentiate between a DDoS attack and other issues:AspectDDoS attackHosting problemsLegitimate traffic spikeSoftware issuesTraffic volumeSudden, extreme increaseNo significant increaseHigh but expected during peaksNormal, higher, lower, or zeroService responseExtremely slow or unavailableSlow or intermittentSlower but usually functionalErratic, with specific errorsError messagesFrequent Service UnavailableInternal Server Error, TimeoutNo specific errors, slower responsesSpecific to the softwareDurationProlonged, until mitigatedVaries, often until resolvedTemporary, during peaks, often predictableVaries based on the bugSource of trafficMultiple, distributed, malicious signaturesConsistent with normal traffic, localizedGeographically diverse, consistent patternsDepends on the user baseProtective Strategies Against DDoS AttacksPrevention is the best defense against DDoS attacks. Here are some strategies to protect your business:Content delivery networks (CDNs): CDNs distribute your traffic across multiple servers worldwide, reducing the load on any single server and mitigating the impact of DDoS attacks.DDoS protection solutions: These services provide specialized tools to detect, mitigate, and block DDoS attacks. They continuously monitor traffic patterns in real time to detect anomalies and automatically respond to and stop attacks without manual intervention.Web application and API protection (WAAP): WAAP solutions protect web applications and APIs from a wide range of threats, including DDoS attacks. They use machine learning and behavioral analysis to detect and block sophisticated attacks, from DDoS assaults to SQL injections.Gcore provides all three protection strategies in a single platform, offering your business the security it needs to thrive in a challenging threat landscape.Don’t Delay, Protect Your Business NowGcore provides comprehensive DDoS protection, keeping your services online and your business thriving even during an attack. Explore Gcore DDoS Protection or get instant protection now.Discover the latest DDoS trends and threats in our H3 2023 report

Improve Your Privacy and Data Security with TLS Encryption on CDN

The web is a public infrastructure: Anyone can use it. Encryption is a must to ensure that communications over this public infrastructure are secure and private. You don’t want anyone to read or modify the data you send or receive, like credit card information when paying for an online service.TLS encryption is a basic yet crucial safeguard that ensures only the client (the user’s device, like a laptop) and server can read your request and response data; third parties are locked out. You can run TLS on a CDN for improved performance, caching, and TLS management. If you want to learn more about TLS and how running it on a CDN can improve your infrastructure, this is the right place to start.What Is TLS Encryption and Why Does It Matter?TLS, transport layer security, encrypts data sent via the web to prevent it from being seen or changed while it’s in transit. For that reason, it’s called encryption in-transit technology. TLS is also commonly called HTTPS when used with HTTP or SSL, as previous versions of the technology were based on it. TLS ensures high encryption performance and forward secrecy. To learn more about encryption, check out our dedicated article.TLS is a vital part of the web because it ensures trust for end users and search engines alike. End users can rest assured that their data—like online banking information or photos of their children—can’t be accessed. Search engines know that information protected by TLS is trustworthy, so they rate it higher than non-protected content.What’s the Connection Between TLS and CDN?A CDN, or content delivery network, helps improve your website’s performance by handling the delivery of your content from its own servers rather than your website’s server. When a CDN uses TLS, it ensures that your content is encrypted as it travels from your server to the CDN and from the CDN to your users.With TLS offloading, your server only needs to encrypt the content for each CDN node, not for every individual user. This reduces the workload on your server.Here’s a simple breakdown of how it works:Your server encrypts the content once and sends it to the CDN.The CDN caches this encrypted content.When a user requests the content, the CDN serves it directly to them, handling all encryption and reducing the need to repeatedly contact your server.Without a CDN, your server would have to encrypt and send content to each user individually, which can slow things down. With a CDN, your server encrypts the content once for the CDN. The CDN then takes over, encrypting and serving the content to all users, speeding up the process and reducing the load on your server.Figure 1: Comparison of how content is served with TLS on the web server (left) vs on CDN (right)Benefits of “Offloading” TLS to a CDNOffloading TLS to a CDN can improve your infrastructure with improved performance, better caching, and simplified TLS management.Increased PerformanceWhen establishing a TLS connection, the client and server must exchange information to negotiate a session key. This exchange involves four messages being sent over the network, as shown in Figure 2. The higher the latency between the two participants, the longer it takes to establish the connection. CDN nodes are typically closer to the client, resulting in lower latency and faster connection establishment.As mentioned above, CDN nodes handle all the encryption tasks. This frees up your server’s resources for other tasks and allows you to simplify its code base.Figure 2: TLS handshakeImproved CachingIf your data is encrypted, the CDN can’t cache it. A single file will look different from the CDN nodes for every new TLS connection, eliminating the CDN benefits (Figure 3). If the CDN holds the certificates, it can negotiate encryption with the clients and collect the files from your server in plaintext. This allows the CDN to cache the content efficiently and serve it faster to users.Figure 3: TLS and CDN caching comparedSimplified TLS ManagementThe CDN takes care of maintenance tasks such as certificate issuing, rotation, and auto-renewal. With the CDN managing TLS, your server’s code base can be simplified, and you no longer need to worry about potential TLS updates in the future.TLS Encryption with Gcore CDNWith the Gcore CDN we don’t just take care of your TLS encryption, but also file compression and DNS lookups. This way, you can unburden your servers from non-functional requirements, which leads to smaller, easier-to-maintain code bases, lower CPU, memory, and traffic impact, and a lower workload for the teams managing those servers.Gcore CDN offers two TLS offloading options:Free Let’s Encrypt certificates with automatic validation, an effective and efficient choice for simple security needsPaid custom certificates, ideal if your TLS setup has more complex requirementsHow to Enable HTTPS with a Free Let’s Encrypt CertificateSetting up HTTPS for your website is quick, easy, and free. First, make sure you have a Gcore CDN resource for your website. If you haven’t created one yet, you can do so in the Gcore Customer Portal by clicking Create CDN resource in the top-right of the window (Figure 4) and following the setup wizard. You’ll be asked to update your DNS records so they point to the Gcore CDN, allowing Gcore to issue the certificates later.Figure 4: Create CDN resourceNext, open the resource settings by selecting your CDN resource from the list in the center (Figure 5).Figure 5: Select the CDN resourceEnable HTTPS in the resource settings, as shown in Figure 6:Select SSL in the left navigationClick the Enable HTTPS checkboxClick Get SSL certificateFigure 6: Get an SSL certificateYour certificate will usually be issued within 30 minutes.Our Commitment to Online SecurityAt Gcore, we’re committed to making the internet secure for everyone. As part of this mission, we offer free CDN and free TLS certificates. Take advantage and protect your resources efficiently for free!Get TLS encryption on Gcore CDN free

Subscribe to our newsletter

Get the latest industry trends, exclusive insights, and Gcore updates delivered straight to your inbox.