(Charles Rettig has been working as a DevSecOps engineer in an IT company that develops...

Burp Suite’sOut-of-band Application Security Testing (OAST)feature is designed to detect vulnerabilities that do not produce immediate or visible responses during standard scanning. OAST works by triggering interactions such as DNS or HTTP callbacks, which occur outside the normal request-response cycle. This capability enables detection of blind vulnerabilities like blind SQL injection and server-side request forgery. Because findings are based on confirmed external interactions, OAST significantly reduces false positives. The other options listed are not valid Burp Suite features. Integrating OAST during the Build and Test stage improves the accuracy of dynamic security testing and ensures deeper coverage of complex and hard-to-detect vulnerability classes before applications are released.

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