Chinese spies impersonate White House, Anthropic figures to phish AI policy experts A China-aligned espionage group has been posing as a former White House official and a prominent economist to get into the cloud accounts of AI policy experts in the US, Proofpoint have found. The group, which the researchers track as TA419, ran several credential phishing campaigns in July 2026. “In July 2026, TA419 impersonated multiple individuals, including a former mem