Interactive Application Security Testing (IAST) software examines an application's code from within while it's running to identify security vulnerabilities. This approach contrasts with Static Application Security Testing (SAST), which analyzes code without executing it, and Dynamic Application Security Testing (DAST), which performs tests from outside the application using a black-box method. IAST offers a quicker testing process compared to SAST, making it appealing for teams focused on continuous delivery. However, IAST's speed comes with a trade-off: it provides less comprehensive scanning than SAST, as it only evaluates code at specific points defined by testers. IAST software alerts testers to vulnerabilities as they are found and provides remediation suggestions to facilitate issue resolution.
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