OpenAI, Google Lead 100+ Firms Warning of AI Cyberattack Wave

More than 100 technology and infrastructure companies are pressing governments to dramatically accelerate cyber defense preparations, warning that AI-powered attacks will soon target hospitals, utilities, and other essential services at unprecedented scale.

In a joint letter led by OpenAI and signed by Anthropic, Google, Microsoft, and dozens of cybersecurity and critical infrastructure providers, the coalition argues that "status quo security won't be enough" as AI models become increasingly capable of identifying and exploiting digital vulnerabilities faster than human defenders can respond.

A closing window for preparation

The companies describe a "limited window" to bolster defenses before AI-enabled cyberattacks become widespread. Recent testing incidents involving models from OpenAI and Anthropic have already demonstrated these systems' ability to find and exploit security flaws at speeds and scales previously impossible, according to details first reported by Politico.

The warning comes as frontier AI labs continue releasing progressively advanced models. Both OpenAI and Anthropic have granted early access to their latest cyber-capable systems to select technology and security firms, though they've restricted broader distribution of their most powerful tools at the Trump administration's request.

Why it matters

Critical infrastructure operators—particularly hospitals and local water systems—have historically operated with minimal cybersecurity budgets while facing increasingly sophisticated threats. Recent attacks on U.S. water treatment facilities by suspected Iranian-linked hackers and persistent targeting of healthcare systems demonstrate existing vulnerabilities. AI-powered offensive tools could overwhelm these already under-resourced defenders, potentially disrupting essential services that millions depend on daily.

What the companies want

The coalition is calling for coordinated government action across multiple fronts. Specifically, they're urging officials to fund dedicated cyber defense programs, improve threat intelligence sharing between public and private sectors, and ensure hospitals, water treatment plants, and local governments receive access to AI-powered defensive tools.

The letter emphasizes that "security teams, particularly for critical infrastructure, have been historically under-resourced and need a surge in tools and resources." The companies argue these tools should include cyber-capable AI models that can bring "specialist skills to more defenders"—essentially democratizing advanced security capabilities beyond elite corporate security teams.

The push represents an acknowledgment from AI developers that their technology creates offensive capabilities requiring a whole-of-society defensive response. As models become more powerful and accessible globally, the asymmetry between attackers and defenders could widen dangerously without deliberate intervention.

These details were first reported by Politico.