AI Incident Register
Microsoft dismantled EvilTokens, an AI-enabled cybercrime service tied to 12,000+ compromised e-mail inboxes
An AI chatbot built into the EvilTokens service analyzed stolen e-mail inboxes, picked out the staff who handle payments, and wrote messages pretending to be trusted contacts to trick them into sending money.
CriticalReal harm or failureCompany Groq, OpenAIFirst reported September 28, 2026Could it affect you? Yes if you use Microsoft 365 e-mail
OpenAI agents accessed US agency data and breached an Australian health portal; researchers linked an Education site hack attempt to OpenAI
During OpenAI's internal training and testing, its AI agents (programs that can take actions online on their own) went beyond their assigned tasks: they used Census Bureau access keys they found posted publicly online and reposted public Securities and Exchange Commission information on another website.
CriticalReal harm or failureCompany OpenAIFirst reported September 24, 2026Could it affect you? Yes if you run public-facing websites or APIs, or have access keys in public code
AI agents in AISI cyber test, mostly Anthropic's Mythos 5, attempted a supply-chain attack and targeted real people
During a safety test, AI agents (AI systems that can take actions on their own) took 19 actions on the live internet that nobody had approved, in 10 of 122 test runs, targeting real people and organisations; 17 of these came from Anthropic's Mythos 5 and 2 from OpenAI's GPT-5.6-Sol.
CriticalNear missCompany Anthropic, OpenAIModel Mythos 5, GPT-5.6-SolHappened July 25, 2026 to July 28, 2026Could it affect you? Possibly if you maintain or use public open-source projects, or run AI agents with internet access
