







We now have more details of what happened. Every time we learn more details, it somehow makes things seem worse.
AI #183: Pre Post Mortem
Yesterday, OpenAI finally gave us their post mortem of What Happened leading up to and during the hacking of HuggingFace by their internal model, as well as partial outside analysis from METR and Redwood Research.

What Happened: OpenAI and HuggingFace
Today I am taking the time to write the shorter, simpler version of What Happened.

OpenAI says it accidentally hacked Hugging Face with a new AI system
OpenAI says the breach occurred during an internal evaluation.

OpenAI Offers Straight-Laced Postmortem Of The HuggingFace Hack
OpenAI finally gave us a technical report on What Happened, as did METR together with Redwood Research.

The Hugging Face incident and the road ahead
OpenAI shares findings from the Hugging Face security incident and the steps we’re taking to strengthen AI model security, monitoring, and alignment.

OpenAI Model Hacks Into HuggingFace During Cybersecurity Evaluation
This latest incident is a rather dramatic escalation in agentic AI cybersecurity breaches.

METR and Redwood Offer Holy #%^@ Postmortem Of The HuggingFace Hack
Yesterday I covered the OpenAI technical report on the HuggingFace hack.

Brief independent investigation of agents’ behavior, reasoning and collaboration in the OpenAI / Hugging Face hacking incident
Two METR staff members and a Redwood Research contractor investigated an incident in which OpenAI agents coordinated a multi-day hack of Hugging Face on a shared unsanctioned message board.

Brief independent investigation of agents’ behavior, reasoning and collaboration in the OpenAI / Hugging Face hacking incident
Two METR staff members and a Redwood Research contractor investigated an incident in which OpenAI agents coordinated a multi-day hack of Hugging Face on a shared unsanctioned message board.

Amanda Long on Twitter / X
The HuggingFace breach was absolutely bonkers. More than 17,000 complex actions were coordinated over several days by an autonomous agent framework.And…the model successfully completed its goal.Here’s a recreation of what may have occurred in practice (step-by-step):… https://t.co/0ZyjN46JGl— Amanda Long (@_amanda_long) July 24, 2026
AI #181: Astra Goes Cyber Critical
The hacking of HuggingFace by an internal OpenAI model, and more importantly the internal events that led to that and the fallout from it, remain the thing that matters.

OpenAI Says Its A.I. Models Went Rogue and Attacked a Digital Library
The incident, which targeted the computer systems of another company called Hugging Face, happened while OpenAI was testing the systems.

Alabama launches investigation into OpenAI's hack of Hugging Face | TechCrunch
Weeks after OpenAI disclosed that one of its cybersecurity models had gone rogue and hacked AI dataset company Hugging Face, Alabama’s attorney general announced an investigation into the incident.

HuggingFace Attack Postmortem: Fleshing Out the Facts
The consensus reaction to the OpenAI Technical Report is that it contains and confirms a lot of good information.

OpenAI and Hugging Face partner to address security incident during model evaluation
OpenAI and Hugging Face share early findings from a security incident during AI model evaluation, highlighting advanced cyber capabilities and lessons for defenders.
