On Aug 27, 2026 more than 100 companies including OpenAI, Anthropic, Google, Microsoft, CrowdStrike, Okta and Fortinet signed an open letter warning that AI-enabled cyberattacks will become far more widespread and sophisticated in the coming months. It calls for new public-private partnerships and cites defensive AI programs already in use.
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OpenAI, Anthropic, Google and 100+ firms urge joint defense against AI cyberattacks
Why this matters for founders
Treat AI-driven attacks as a near-term threat: tighten agent sandboxing, secrets handling and vendor security reviews now, and watch for the emerging cyber-defense standards these firms are pushing.
Source: TechCrunch
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