Russian Hacker Jailbreaks Claude to Turn into an AI-Powered Penetration Testing Platform

A Russian-speaking threat actor known as “Trim” has reportedly transformed jailbroken frontier AI models into an automated penetration testing platform called AI Pentest Checker. This activity highlights how criminals can misuse legitimate AI services and common security tools to accelerate reconnaissance, validate vulnerabilities, and create reports.

According to Cato reports, Trim first appeared on a Russian-language cybercrime forum on March 13, 2026, where he shared methods claimed to bypass Claude Opus safety controls.