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Anatomy of a Frontier Lab Agent Intrusion: A Technical Timeline of the July 2026 Incident

Hacker News·about 2 months ago
#QtnYp3Zr
#huggingface#include#agent#sandbox#internal#dataset
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Back to Articles TL;DR Initial access Stage 1: from an OpenAI evaluation sandbox to a rooted launchpad Stage 2: Penetrating Hugging Face infrastructure using two injection vectors into our dataset processor The kill chain Day-by-day Day 1 (07-09): foothold and C2 Day 2 (07-10): self-referential search Day 3 (07-11): lateral movement begins Day 4 (07-12): using the stolen credentials Day 5 (07-13): exfil, persistence, cleanup Three lateral-movement techniques 1. Node impersonation and CSI token theft (from the prod-pod foothold) 2. Forged identity tokens (from the prod-pod foothold) 3. Supply-chain write access Command-and-control and exfiltration Building an improvised message protocol Evasion and self-migration How we intercepted and analyzed the attack What we changed Reflection: the asymmetry problem A companion technical writeup to our incident disclosure .…

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