Knowledge is Power

Sitewide Search

Search Bare Metal Cyber

Search exact control and technique identifiers, Cyber Wiki articles, framework records, playbooks, books, podcasts, Academy courses, individual lessons, and BMC Cyber Challenge activities.

Testing practiceIntermediate

Web Application Penetration Testing

Web application penetration testing evaluates how an application handles identity, authorization, input, sessions, business rules, APIs, dependencies, and trust boundaries under realistic misuse.

What it means

Effective testing combines automated discovery with manual reasoning about workflows and roles. Testers must understand which data and actions are permitted and how the application is expected to behave.

Why it matters

The goal is to demonstrate meaningful impact safely and provide evidence that helps developers correct the underlying design or implementation weakness.

Practical focus

  • Map roles, workflows, entry points, and APIs
  • Test horizontal and vertical authorization
  • Evaluate session and token behavior
  • Report reproducible evidence and remediation guidance

Common mistakes

  • Relying only on an automated scanner
  • Testing one user role
  • Collecting sensitive data beyond what is needed to prove impact

Certification relevance

This subject appears in or supports the following certification bodies of knowledge:

CompTIA PenTest+CompTIA CySA+CompTIA Security+

Authoritative sources