OpenAI, Anthropic, Google, and 100 other companies call for action to defend against rogue AI

Over 100 tech firms, including OpenAI, Anthropic, Google, and Microsoft, signed an open letter urging stronger cyber defenses. The letter cites AI agent breaches by Hugging Face, Anthropic, and Meta in sandboxed environments. It calls for new security partnerships, higher standards, and deployment of defensive AI programs such as OpenAI’s Daybreak, Anthropic’s Mythos, and Microsoft’s Perception.