What is Static Application Security Testing (SAST)?

In DevSecOps, static application security testing is a white-box security testing method that analyzes source code, bytecode, or binaries before an application runs.

SAST helps developers find coding weaknesses such as injection risks, insecure data handling, hardcoded secrets, unsafe APIs, and logic flaws earlier in the software development lifecycle. It works best when results are tied to developer workflows, remediation guidance, and repeatable security testing gates.

How does it work?

SAST tools parse application code or compiled artifacts, then apply rules, pattern matching, control-flow analysis, data-flow analysis, or taint analysis to identify risky code paths. This source code analysis can run in IDEs, pull requests, CI/CD pipelines, and release gates.

Findings are usually ranked by severity, location, affected function, and recommended fix. Teams triage results, suppress confirmed false positives, create tickets for valid issues, fix the code, and rescan before release.

Static Application Security Testing (SAST) vs DAST

DAST tests a running application from the outside, while static application security testing reviews code before runtime. SAST can identify vulnerable patterns without needing a deployed environment, while DAST can reveal issues tied to authentication, configuration, sessions, and live behavior.

Organizations should treat them as complementary. SAST supports early secure coding, while DAST, software composition analysis, penetration testing, and runtime monitoring help cover risks that static review alone cannot see.

How Hexnode supports Static Application Security Testing (SAST)

Hexnode is not a SAST scanner. It supports SAST programs by strengthening the endpoint and application environment around secure development.

Security and IT teams can use Hexnode UEM for endpoint visibility, policy enforcement, compliance checks, patch workflows, application controls, and remote actions across developer devices and production endpoints. When findings lead to remediation, Hexnode helps ensure managed devices run approved apps, receive required updates, and maintain baseline controls that support secure software supply chain practices.

When should organizations use it?

Organizations should use static application security testing when they build software, customize internal applications, operate CI/CD pipelines, handle regulated data, or need repeatable evidence for security reviews.

It is especially useful for teams adopting Secure by Design practices or mapping development controls to the Secure Software Development Framework. SAST should be tuned over time so developers receive fewer noisy alerts and more actionable fixes.