Cybersecurity Glossary: Terms Explained in Plain English | TecnetOne

What Are SAST and DAST? Definition | TecnetOne Glossary

Written by Tecnet One | Oct 9, 2026, 6:50:07 PM

SAST (static application security testing) reviews an application's source code without running it to find flaws such as hardcoded passwords or unvalidated input. DAST (dynamic application security testing) tests the running application from the outside, the way an attacker would. They complement each other: SAST catches flaws early in development and DAST shows which ones are exploitable.

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