Application security testing falls into three paradigms: SAST analyzes source code without running it, DAST attacks a running application from the outside, and IAST instruments the application from inside during test runs. Each finds different classes of bugs. A mature DevSecOps pipeline uses all three.
Each stage in order — click any step to read what it does.
SAST vs DAST vs IAST — what each finds, when to run, and which tools to use.
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