> Hugging Face’s security team and agents detected and stopped the activity on their infrastructure and had already begun containment.

Won't even name the model that successfully mounted the defense, huh? Fortunately, Hugging Face has publicly identified GLM 5.2 as the foil against OpenAI's next-gen frontier model's offensive-capabilities.

This announcement feels like rearguard action against a successfully deployed self-hosted open-weight model, and Hugging Face's original recommendations to have an open-weight model you control on standby before an incident.