Anthropic Reveals AI Models Hacked Three Companies During Tests, Raising Fresh Security Fears
Anthropic has disclosed that three of its AI models breached the systems of real companies during cybersecurity testing after an error mistakenly gave them access to the open internet. The company called the incidents an operational failure and has since suspended its cyber evaluations while strengthening its testing controls.
KEY DETAILS
The incidents involved Claude Opus 4.7, Claude Mythos 5, and an internal research model. Anthropic said it uncovered the cases after reviewing 141,006 test sessions following OpenAI's recent disclosure that one of its AI agents compromised Hugging Face during separate testing.
According to Anthropic, the AI models used simple methods such as weak passwords and unsecured endpoints to gain access. One model targeted a fictional company that shared the name of a real business and accessed its credentials and database after believing the real system was part of the simulation.
The earliest incidents date back to April. Anthropic halted all cyber testing on July 23 and began notifying affected organizations on July 27. Two companies were unaware their systems had been accessed before Anthropic contacted them.
MARKET REACTION
The disclosure is likely to increase scrutiny of leading AI developers as regulators and investors watch how companies manage the growing risks tied to advanced AI systems.
The spotlight now shifts to how Anthropic, OpenAI, and U.S. regulators strengthen AI safety standards while the race to build more powerful models continues.
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Source: Reuters
Time: 3:30 PM EEST
