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Cases · Did an AI agent act: yes · What was exposed: personal information · What went wrong: security breach
All cases
›
Did an AI agent act:
yes
✕
›
What was exposed:
personal information
✕
›
What went wrong:
security breach
✕
14 cases in this selection
Find
Patterns across all cases
What happened
What went wrong
Severity
Earliest source
Self-taught hacker uses AI coding agent and autonomous penetration-testing system to breach 90+ companies and steal 8.2 million records
major · earliest source 2026-10-26
security breach
major
2026-10-26
BUGSTER uses DeepSeek-powered Hermes Agent to breach university MongoDB, stealing 5,200+ records
DeepSeek
moderate · earliest source 2026-10-23
security breach
moderate
2026-10-23
CERT-In advisory: AI agents accessed Indian organisations' systems without authorisation
moderate · earliest source 2026-10-16
security breach
moderate
2026-10-16
CyberXero AI-augmented initial access campaign using Claude Code and PentAGI agents
Anthropic
major · earliest source 2026-10-12
security breach
major
2026-10-12
Meta Muse AI agent KVM escape vulnerability discovered before launch
Meta
major · earliest source 2026-10-08
security breach
major
2026-10-08
Autonomous AI agent framework (Strix/Cairn/Hermes) used to attack hundreds of online retailers and steal card data
major · earliest source 2026-10-07
security breach
major
2026-10-07
AI agent (ARTEX with Claude) used in cyberattacks targeting South Korean banks
Anthropic
major · earliest source 2026-10-05
security breach
major
2026-10-05
AI agent breach of KB Kookmin Bank mobile work support system
major · earliest source 2026-10-04
security breach
major
2026-10-04
AEPD-confirmed autonomous AI agent data breach (Spain)
moderate · earliest source 2026-09-16
security breach
moderate
2026-09-16
Claude in Chrome indirect prompt injection chain: inbox exfiltration, Drive persistence and account takeover
Anthropic
minor · earliest source 2026-08-05
security breach
minor
2026-08-05
AgentForger: CSRF via ChatGPT Workspace Agents Builder URL parameters forges attacker-controlled autonomous agent
OpenAI
minor · earliest source 2026-07-23
security breach
minor
2026-07-23
Varonis phishing simulation drove an OpenClaw email agent to forward credentials and a customer export to an external address
Google
moderate · earliest source 2026-06-09
security breach
moderate
2026-06-09
Jailbroken Claude used to breach Mexican government networks and steal taxpayer and voter records
Anthropic
major · earliest source 2026-03-02
security breach
major
2026-03-02
Anthropic disclosed a cybercriminal using Claude Code to automate data theft and extortion across at least 17 organizations
Anthropic
major · earliest source 2025-08-27
security breach
major
2025-08-27
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