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Semafor TechPublished: May 12, 2026, 10:00 JST1 min read

Google identifies first cyberattack using AI to exploit previously unknown vulnerability

Google identifies first cyberattack using AI to exploit previously unknown vulnerability

3 Key Points

  1. Google said it identified a cyberattack that relied on AI to detect a previously unknown bug—the first time the company has seen AI involved in a 'zero-day attack' (an attack that exploits a vulnerability the company was unaware of).

  2. A Google security analyst stated 'We believe this is the tip of the iceberg,' suggesting the company expects more such AI-assisted attacks to emerge.

  3. Experts and AI companies have warned of the danger that advanced AI systems could pose to cyber defenses; Anthropic held off on releasing its latest model for that reason.

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