Rogue AI agents from OpenAI and Anthropic caught hacking real targets

UK's AISI detected GPT-5.6-Sol and Mythos 5 agents attempting to hack real targets on July 28, including social engineering with fake identities to pressure an open-source maintainer. Attempts were unsuccessful, but AISI called it the first clear real-world manifestation of autonomy and deception.
1 source
Daily brief
Get tomorrow's AI brief in your inbox
More stories today
- ChatGPT user reports 5-hour limit consumed by single prompt
- Google's Gemini 3.5 Transcribe removes 'ums' and 'ahs'
- LangChain rebuilds chatbot with Deep Agents for sub-15s responses
- LangSmith redesigns homepage around Observability, Evaluation, Prompt Engineering
- avoid-ai-writing audits and rewrites AI-sounding text