Spain's data authority discloses first breach where an AI agent autonomously ran the attack
VoidStateKate · x · 2026-09-16
Spain's data protection authority has disclosed what it says is the first reported personal data breach in which an AI agent autonomously carried out multiple stages of the actual attack.
Key details:
- Not AI-assisted malware or vulnerability hints — the agent genuinely logged into a real system;
- It searched for vulnerabilities on its own, found and exploited one, modified personal data, accessed billing records, and chose its next actions based on what it found, with limited human intervention;
- It wasn't a rogue agent — someone deliberately deployed it as an attack tool.
Security observers see a paradigm shift from "AI helping humans hack" to "give an agent an objective and access, and it can autonomously run most of the attack loop" — now backed by a real breach under national regulatory investigation.
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