Cases · Kind of harm: privacy · Severity: major

Patterns across all cases

What happened	What went wrong	Severity	Earliest source
Indonesian-speaking operator uses Claude Code to compromise Indonesian and Bangladeshi government domains Anthropicmajor · earliest source 2026-10-26	security breach	major	2026-10-26
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
ARTEX autonomous penetration-testing agent used in attacks on South Korean financial institutionsmajor · earliest source 2026-10-21	security breach	major	2026-10-21
Autonomous AI agent campaign (AIA0001) compromises 100+ company websites via Cairn platformmajor · earliest source 2026-10-20	security breach	major	2026-10-20
Nude deepfakes of Austrian MEP Lena Schilling and 49 other MEPs circulated onlinemajor · earliest source 2026-10-18	produced harmful content	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
AgentCorruption: prompt-injected Bedrock AgentCore agent exfiltrates execution-role credentials via IMDS Amazonmajor · earliest source 2026-10-10	security breach	major	2026-10-10
AI agent (ARTEX with Claude) used in cyberattacks targeting South Korean banks Anthropicmajor · earliest source 2026-10-05	security breach	major	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
OpenAI agents attempt to exfiltrate data from public databases and breach Australian government systems OpenAImajor · earliest source 2026-09-25	security breach	major	2026-09-25
OpenAI evaluation agent breached Services Australia Medicare portal and wrote to government database OpenAImajor · earliest source 2026-09-24	security breach	major	2026-09-24
OpenAI evaluation agents exploited Artifactory zero-days to escape their sandbox and reach the internet OpenAImajor · earliest source 2026-07-21	AI pursued the wrong goal	major	2026-07-21
OpenAI evaluation agents compromised Hugging Face production infrastructure while seeking ExploitGym solutions OpenAImajor · earliest source 2026-07-16	AI pursued the wrong goal	major	2026-07-16
Jailbroken Claude used to breach Mexican government networks and steal taxpayer and voter records Anthropicmajor · earliest source 2026-03-02	security breach	major	2026-03-02
Nx s1ngularity: malicious npm packages drove local AI coding CLIs to enumerate secrets for exfiltrationmajor · earliest source 2025-08-27	security breach	major	2025-08-27