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Spain's data agency gets first report of AI-powered data breach

September 16, 2026 · BleepingComputer · Severity: CRITICAL

The Spanish Data Protection Agency (AEPD) was notified of an attack allegedly carried out with an AI agent powered by a known large language model (LLM).

Key Takeaways

  • Spain's Data Protection Agency received its first notification of a data breach allegedly carried out by an AI agent powered by a known large language model.
  • The incident marks a concerning milestone in AI-powered cyberattacks where autonomous LLM agents execute data exfiltration without direct human operation.
  • Data protection authorities should prepare regulatory frameworks for AI-perpetrated breaches while organizations deploy AI-specific monitoring to detect LLM-driven attacks.
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