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OpenAI, Google and dozens of other companies publish open letter calling for collective action on cyber defense

ThinkingNews Desk · how this was written

OpenAI, Anthropic, Google, Microsoft and dozens of other firms have issued an open letter warning that AI-enabled cyberattacks are imminent and that there is a limited window to prepare. The letter calls for collective action and urges leaders to treat cyber defence as a priority, emphasizing the need for coordinated industry response.

Written from all 4 reports below, not from any single one.

How it was reported

  1. TechMeme·
    OpenAI, Anthropic, AWS, Microsoft, and 100+ companies warn there is "a limited window" to prepare for AI-enabled cyberattacks and call for "collective action" (Sam Sabin/Axios)

    OpenAI, Anthropic, Amazon Web Services, Microsoft and more than 100 other firms issued a joint warning that a narrow timeframe exists to ready defenses against AI-powered cyberattacks, urging coordinated industry and government action. They emphasized that adversaries can already exploit generative AI tools to automate phishing, deep-fake scams and vulnerability discovery, demanding immediate investment in detection, mitigation and policy frameworks.

  2. TechCrunch·
    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.

  3. The Next Web·
    OpenAI, Anthropic, Google and Microsoft want cyber defence treated as a leadership priority

    Over 100 organisations, including OpenAI, Anthropic, Google and Microsoft, have signed an open letter urging businesses and governments to prioritize cyber defence and address software vulnerabilities. The EU’s Cyber Resilience Act will make many of these measures mandatory from 11 September, reinforcing the call for immediate leadership action.

  4. Engadget·
    OpenAI, Google and dozens of other companies publish open letter calling for collective action on cyber defense

    Over 100 firms—including OpenAI, Google, Anthropic, AWS, Cisco, Cloudflare, CrowdStrike, Hugging Face, Microsoft, Oracle and Perplexity—signed an open letter urging a collective response to AI-enabled cyber threats. The letter demands recognition that current security is insufficient, calls for AI-powered defensive tools, and urges organizations, governments and the tech industry to adopt observability, traceable agentic identities, continuous monitoring and shared best practices. It warns that AI-driven attacks will become more widespread and sophisticated within months.

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