Which tool provides detailed web app analysis via a nontransparent proxy for intercepting and manipulating requests?

• A. OWASP ZAP
• B. Nessus
• C. Nexpose
• D. Retina

Answer: (A)

Intercepting and manipulating HTTP requests through a dedicated web app proxy lets you see exactly how a web application responds to crafted inputs, session handling, and authentication flows. A tool that excels at detailed web app analysis by acting as that middle proxy is OWASP ZAP. It sits between your browser and the target, allowing you to capture, inspect, and modify requests in real time, run automated scans, and use fuzzing or scripting to uncover vulnerabilities. This deep web app analysis via a nontransparent proxy distinguishes it from generic vulnerability scanners. Nessus, Nexpose, and Retina focus on detecting vulnerabilities across hosts and services rather than providing interactive interception and manipulation of web traffic.