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· 6 min read

What Is Software Composition Analysis (SCA)? A Complete Guide for Engineers

software-composition-analysis

Software Composition Analysis (SCA) is a security practice that identifies and manages open source components, third-party libraries, and dependencies in your codebase. As modern applications rely heavily on open source software—with some codebases containing 80-90% third-party components—SCA has become essential for maintaining secure and compliant software development practices.

SCA tools automatically scan your code repositories, build artifacts, and running applications to create a comprehensive inventory of all components, including transitive dependencies. This visibility enables engineering teams to identify security vulnerabilities, license compliance issues, and outdated components that could pose risks to production systems.