What Is Penetration Testing? Types, Processes, Tools, And Why It’s All Worth It
June 9, 2025
13 min read
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JetBrains

Penetration testing (or pen testing) is an authorized, simulated cyberattack designed to test the security of a production system. Ethical hackers perform penetration tests, emulating the behavior of cybercriminals. A successful cyberattack can result in serious reputational and financial damage.