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Web Application Penetration Testing: How to Hack Like a Hacker (Before You Find You)
- Penetration testing, also known as pen testing, simulates attacks on web applications to uncover vulnerabilities before malicious hackers exploit them.
- In 2025, the complexity of the threat landscape necessitates penetration testing to identify security flaws that may not be detected by automated scans.
- Pen testing goes beyond automated vulnerability scanning to emulate real attack scenarios, discover business logic defects, session vulnerabilities, and injection issues.
- Key findings from penetration testing include logically flawed patterns, insecure authentication, poor input sanitization leading to XSS or SQLi, vulnerable dependencies, open APIs, and hidden endpoints.
- Essential techniques for web app penetration testing include reconnaissance, input validation testing for injection flaws, authentication and session testing, access control testing, and business logic testing.
- Common tools used for web app penetration testing include Burp Suite, OWASP ZAP, Nikto, Nmap, SQLmap, and Recon-ng.
- Mistakes to avoid in penetration testing include over-reliance on automated tools, overlooking session and token vulnerabilities, neglecting testing of third-party services, skipping post-exploitation analysis, and lacking test documentation and fix plans.
- The goal of pen testing is not to break an app but to enhance trust, strength, and security to prevent real-world attacks and protect the brand's reputation.
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