security_identifier
Threat group designation used by Anthropic for an espionage actor it assesses aligns with public reporting on Midnight Blizzard.
Anthropic's threat intelligence team published case counts for biological misuse and state-linked surveillance of Claude, and did not say how long most of the logged activity ran before the company found it.
Reality
Anthropic's threat intelligence team spent nine months banning accounts, and its 10 September report keeps landing on the same finding, that one operator now does work that needed a team a year ago.
Reality
Anthropic's December-to-August threat report says none of the intrusions it disrupted used a novel technique. Stolen credentials and unpatched edge devices opened the doors, at machine speed, for single operators.
Reality