The Danish Data Protection Agency (Datatilsynet) announced on 4 June 2024 the inclusion of a new security-focused software testing measure in its catalogue of recommended security actions. This addition aims to assist organizations in identifying and mitigating vulnerabilities in newly developed software, aligning with GDPR’s mandate for an appropriate level of security.
Background
In 2023, Datatilsynet released its comprehensive catalogue of security measures to help organizations manage various security risks. Following numerous requests for detailed guidance on testing, especially vulnerability and penetration tests, Datatilsynet has now expanded this catalogue to include a focused measure on software security testing.
Measure Details
The new measure outlines several testing types crucial for software security:
- Vulnerability and Penetration Tests: Targeting both expected and unexpected functionalities to identify security flaws.
- Code Reviews: Conducted by someone other than the code developer to find errors and malicious elements.
- Integration Tests: Ensuring smooth interaction between software modules or IT systems.
- Log Tests: Verifying proper logging and identifying unnecessary personal data in logs.
- Encryption Tests: Checking the adequacy of data encryption methods.
Importance of Testing
Software testing is essential in uncovering potential security issues. Given the complexity of modern IT systems, integrating comprehensive tests early in the design and development stages can prevent security breaches caused by unintentional functionalities or third-party components.
Practical Application
The measure also emphasizes the need for continuous testing throughout the software lifecycle, including during the development phase and after deployment. It covers specific tests such as:
- Design Review: To ensure compliance with data protection rules and safeguard against misuse.
- Load Testing: To evaluate system performance under high demand conditions.
- Session Management Testing: To prevent unauthorized access through session mishandling.
Documentation and Compliance
Documentation of test results is critical for demonstrating compliance with GDPR’s security requirements under Articles 5 and 32. This measure serves as a preventive and detective action, helping organizations to maintain robust security practices and to respond swiftly to potential vulnerabilities.
👉 Read it at Software testing with a focus on security (datatilsynet.dk).
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