What is Static Application Security Testing (SAST) and its best practices

Pravin Uttarwar
2 min readOct 19, 2022

Every developer wants to keep their source code secure without thinking too much about it. Developers frequently lack the security background necessary to recognize unsafe coding practices and understand how to use safe APIs.

Static Application Security Testing (SAST), which is a component of your total application security, enters the picture in this situation. SAST allows you to examine your source code for security flaws without doing it yourself.

What Is Static Application Security Testing? (SAST)

Static analysis, often known as static application security testing (SAST), is a testing approach that examines source code to discover security flaws that render the apps used by your company vulnerable to attack. Before the code is compiled, an application is scanned by SAST.

White box testing is another name for it. By giving quick feedback to developers on problems introduced into code during development, SAST lowers security risks in programs.

How Does Static Application Security Testing Work?

SAST happens relatively early in the Software Development Life Cycle (SDLC) since it may be done without a functioning application and does not involve running any code.

It enables developers to swiftly address problems without halting builds or introducing vulnerabilities into the application’s final release.

Vulnerabilities can be found early in the development process. SAST tools provide developers with immediate feedback while they code, assisting them in resolving problems before moving on to the next stage of the SDLC.

Additionally, SAST tools offer graphical depictions of the faults discovered, from source to sink. These make it simpler to navigate the code.

Why Do You Need Static Application Security Testing In Your Project?

Developers do not have to worry about consistently adhering to best practices because SAST technologies can identify security issues early in the development process, especially in contexts with strict deadlines. Developers vastly outnumber security personnel.

Finding the resources to conduct code reviews on even a small portion of an organization’s apps can be difficult. The capability of SAST tools to examine the entire codebase is one of its main advantages. They are also significantly quicker than human-performed manual secure code reviews.

These technologies can scan millions of lines of code in a couple of minutes. With high confidence, SAST tools automatically detect significant vulnerabilities, including buffer overflows, SQL injection, cross-site scripting, and others.

Therefore, static analysis in the SDLC can significantly improve code quality.

Conclusion

A Static Application Security Testing tool should be used with other security technologies. The best outcome will occur from doing this, and most security vulnerabilities will be fixed.

Security should be a priority for every firm from the outset because it is essential in an agile setting. Static application security testing is a crucial security tool that any firm has, so we should promote it among the development and management teams.

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Pravin Uttarwar

Helping companies to build quality software. A tech geek and community builder. Also a Chapter Director at StartupGrind.