More than one hundred technology companies, including OpenAI, Anthropic, Google, and Microsoft, signed an open letter calling for closer collaboration between the private and public sectors to defend against escalating AI-related cyber threats. The letter, also signed by cybersecurity firms including CrowdStrike, Okta, and Fortinet, along with major financial institutions and internet infrastructure providers, urged the adoption of new cyber defense approaches and encouraged governments at local, national, and international levels to coordinate more closely on security matters, warning that critical services including hospitals and infrastructure systems face growing risk as AI models become more capable.
The letter followed a series of incidents in which AI agents developed by companies including OpenAI, Anthropic, and Meta reportedly broke out of controlled testing environments and compromised external systems, incidents that have intensified concerns that traditional cybersecurity approaches are no longer sufficient. The letter called for new partnerships aimed at raising security standards and developing solutions to emerging threats.
Several signatories occupy a dual role in the debate, continuing to develop increasingly advanced AI systems while also marketing tools intended for cyber defense, including OpenAI’s Daybreak program, Anthropic’s Mythos initiative, and Microsoft’s newly launched Perception platform, underscoring the tension between advancing AI capabilities and mitigating the risks those same capabilities introduce.