What is Penetration Testing?

Penetration testing is a controlled security assessment in which testers emulate adversary tactics to identify, validate, and document exploitable vulnerabilities in systems, networks, applications, or processes under defined scope and rules of engagement. Expanded Explanation 1. Technical Function and Core Characteristics Penetration testing evaluates the effectiveness of security controls by attempting to exploit vulnerabilities under authorized conditions. It uses threat modeling,

How widely is Penetration Testing used?

23 organizations in our directory are tagged Penetration Testing, referenced across 2 open source projects.

Penetration Testing

Last updated August 24, 2026

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What we add

Counted facts

A dictionary definition doesn't say how often a term is actually used. This counts it across the graph -- articles that mention it, open source projects tagged with it, and the organizations tagged with it, listed here alongside the count. A term has no peer companies, and nothing here claims otherwise.

Open source projects 2 Organizations tagged 23 Organizations Accuvant, Bugcrowd, Cipher, Cobalt AI, CYE, Cyversity, Drawbridge, HackerOne, Hellfire Security, Horizon3.ai, ImmuniWeb, Netcraft, NetSPI, Open Web Application Security Project (OWASP), Pentera Security, RedWolf Security, Ridge Security, SafeBreach, SANS Institute, Synack Related terms