Director of Community at PeerSpot (formerly IT Central Station)
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What is the difference between SAST and SCA tools?

When do you use each of those tools?

PeerSpot user
3 Answers
Chief Architect at Peristent Systems
Real User
Top 5Leaderboard
Dec 22, 2021

SCA looks at open-source libraries only and associates vulnerabilities, license analysis with the open-source libraries. Helps maintain inventory of SBOM

SAST looks at the proprietary application source code and does the same - assesses code health, vulnerabilities, security hotspots.

Both SAST and SCA are required to be included in the Application Security Testing framework for any engagement.

Search for a product comparison in Application Security Tools
Director, Middle East, East India & SAARC at DMX Technologies
Real User
Top 5Leaderboard
Dec 16, 2021

SASTStatic application security testing (SAST) is used to secure software by reviewing the source code of the software to identify sources of vulnerabilities. Although the process of statically analyzing the source code has existed as long as computers have existed, the technique spread to security in the late 90s and the first public discussion of SQL injection in 1998 when Web applications integrated new technologies like JavaScript and Flash.

Unlike dynamic application security testing (DAST) tools for black-box testing of application functionality, SAST tools focus on the code content of the application, white-box testing. A SAST tool scans the source code of applications and their components to identify potential security vulnerabilities in their software and architecture. Static analysis tools can detect an estimated 50% of existing security vulnerabilities.

In SDLC, SAST is performed early in the development process and at the code level, and also when all pieces of code and components are put together in a consistent testing environment. SAST is also used for software quality assurance. even if the many resulting false-positive impede its adoption by developers.

SAST tools are integrated into the development process to help development teams as they are primarily focusing on developing and delivering software respecting requested specifications. SAST tools, like other security tools, focus on reducing the risk of downtime of applications or that private information stored in applications will not be compromised.

SCA: Software composition analysis (SCA) products analyze homegrown applications, generally during the development process, to detect embedded open-source software (OSS) and, sometimes, commercial off-the-shelf components. SCA tools typically identify known vulnerabilities in these packages. They may also determine the license used to distribute a particular software package in order to support the assessment of legal risks. Given supply chain concerns, buyers have begun to seek SCA tools that provide indicators of operational risk, such as slow or poor maintenance, questionable project viability and multiple other factors. Infrequently, tools may generate or consume standardized software bill of materials (SBOM) artifacts.

Director of Community at PeerSpot (formerly IT Central Station)
Community Manager
Dec 9, 2021

Hello @Jangsun KIM, @Cuneyt KALPAKOGLU Phd., @KashifJamil ​and @Nachu Subramanian,

Can you please share your knowledge with the community? Thanks.

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Hi community,  Please share your input and help out fellow peers. Thank you.
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