Tenzai Gets $75M to Upend Pen Testing With Synthetic Hackers

New Israeli Pen Testing Platform Mimics Elite Hackers to Tackle Testing Bottlenecks Michael Novinson (MichaelNovinson) • November 14, 2025

Human pen testers are expensive and need things computers don't - like rest and sleep. A Tel Aviv startup that just raised $75 million to build synthetic hackers thinks the technology is gelling for artificial intelligence agents to find and exploit vulnerabilities on their own.

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Tenzai, founded only five months ago and already reportedly worth $330 million, is built on the premise that AI agents are ready to independently identify and exploit flaws.

An AI pen tester "doesn't have weekends. It works endlessly. You can have 1,000 of them when you need, and they read all the protocols. They read all the vulnerabilities. They know how ...