What is Secure Code Review?

Secure code review is the systematic examination of application source code by security experts to identify vulnerabilities, logic flaws, and insecure coding patterns that automated tools may miss.

What is secure code review?

Secure code review is the manual examination of application source code by security experts to identify vulnerabilities, insecure coding patterns, business logic flaws, and architectural weaknesses. It combines human expertise with automated tool assistance to find issues that SAST tools miss, particularly complex logic flaws and design-level security problems.

How does secure code review differ from SAST?

SAST tools automatically scan for known vulnerability patterns but produce false positives and miss context-dependent issues. Secure code review applies human expertise to understand business logic, evaluate complex data flows, identify architectural weaknesses, and assess security design decisions that automated tools cannot comprehend.

What does a secure code review process look like?

The process includes threat modeling to identify high-risk areas, automated SAST scanning for initial findings, focused manual review of authentication, authorization, input validation, cryptography, and sensitive data handling, business logic flaw analysis, review of third-party integrations, and detailed reporting with remediation guidance.

What vulnerabilities does secure code review find?

Code review identifies business logic flaws (price manipulation, workflow bypasses), race conditions, insecure cryptographic implementations, authentication and session management weaknesses, authorization bypass paths, information leakage, insecure deserialization, and complex injection vectors that require understanding of application-specific data flows.

What are secure code review best practices?

Best practices include focusing review time on high-risk code (authentication, payment, data access), using checklists based on OWASP guidelines and CWE, combining automated and manual analysis, reviewing both new code and existing critical components, involving developers in findings discussion, and tracking remediation completion metrics.

How often should secure code reviews be conducted?

Critical applications should undergo comprehensive review annually and focused reviews before major releases. High-risk code changes should receive security review as part of the pull request process. Organizations should prioritize review effort based on application risk classification, change frequency, and compliance requirements.

What skills do secure code reviewers need?

Reviewers need deep understanding of vulnerability classes (OWASP Top 10, CWE Top 25), proficiency in the target programming languages and frameworks, knowledge of secure coding patterns, understanding of cryptographic best practices, experience with authentication and authorization design, and familiarity with common attack techniques.

How does secure code review support compliance?

Secure code review satisfies requirements in PCI DSS (Requirement 6.3.2 for custom code review), HIPAA (technical safeguard validation), SOC 2 (change management controls), and various regulatory frameworks. Review documentation provides audit evidence of proactive security measures in the software development process.