Proofpoint: TA419 Hackers Impersonated Anthropic Staff to Steal AI Secrets

The China-aligned group TA419 posed as Anthropic researchers and former US officials to gather information on American AI development, according to Proofpoint. Targets included AI policy experts at US think tanks, universities and law firms, who received malware-laced documents after initial benign emails.

• Hackers used the subject line "Request for Feedback on Military Integration of Claude" while posing as a senior Anthropic staffer
• Impersonated figures include Lynne Edwards Parker, former Principal Deputy Director of the White House OSTP
• Proofpoint ties TA419 to Chinese government interests based on targeting and infrastructure
• Campaign targeted AI policy experts at US think tanks, universities and law firms