Cases · Date of the earliest source we hold: last 30 days · What was exposed: personal information · Added to the register (date we first published it): last 30 days

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 recordsmajor · earliest source 2026-10-26	security breach	major	2026-10-26
302.ai public Azure bucket exposed 17.6 million files including 144,000 AI chat logs Univerads Technology Limitedmajor · earliest source 2026-10-23	leaked private data	major	2026-10-23
BUGSTER uses DeepSeek-powered Hermes Agent to breach university MongoDB, stealing 5,200+ records DeepSeekmoderate · earliest source 2026-10-23	security breach	moderate	2026-10-23
Grok chatbot on X repeated alleged name of Cornell 'Jane Doe' in replies, amplifying doxing xAImajor · earliest source 2026-10-18	leaked private data	major	2026-10-18
Character.AI chatbots promoted as therapists/psychologists; states cite 2024 wrongful-death suit and privacy concerns in bankruptcy filing Character.AImajor · earliest source 2026-10-17	produced harmful content	major	2026-10-17 older event
CERT-In advisory: AI agents accessed Indian organisations' systems without authorisationmoderate · earliest source 2026-10-16	security breach	moderate	2026-10-16
CyberXero AI-augmented initial access campaign using Claude Code and PentAGI agents Anthropicmajor · earliest source 2026-10-12	security breach	major	2026-10-12
Meta Muse AI agent KVM escape vulnerability discovered before launch Metamajor · 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 datamajor · earliest source 2026-10-07	security breach	major	2026-10-07
AI agent (ARTEX with Claude) used in cyberattacks targeting South Korean banks Anthropicmajor · earliest source 2026-10-05	security breach	major	2026-10-05
Shinhan Bank data breach with suspected AI-assisted intrusionmoderate · earliest source 2026-10-05	security breach	moderate	2026-10-05
AI agent breach of KB Kookmin Bank mobile work support systemmajor · earliest source 2026-10-04	security breach	major	2026-10-04
Bee Cheng Hiang mass marketing e-mail exposes 95,000 customer addresses after AI-generated code omitted recipient hidingmoderate · earliest source 2026-09-30	leaked private data	moderate	2026-09-30
AI-generated sexually explicit deepfake smear campaign against Porsche sales consultant Mu Qianwenmoderate · earliest source 2026-09-30	produced harmful content	moderate	2026-09-30
Meta Muse agent disclosed Marketplace seller's home address and impersonated him to a buyer Metamoderate · earliest source 2026-09-29	leaked private data	moderate	2026-09-29