China-Aligned TA419 Targets U.S. AI Policy Experts With Microsoft AitM Phishing

A China-nexus group tracked as TA419 is running credential phishing campaigns against AI experts at U.S. think tanks, universities and legal organizations. The attackers impersonate prominent economists, AI policymakers and an Anthropic employee using Microsoft adversary-in-the-middle techniques.

• TA419 is a China-linked group targeting U.S. AI experts
• Targets include think tanks, universities and legal firms
• Attackers impersonate economists, policymakers and an Anthropic employee
• Campaigns use Microsoft adversary-in-the-middle phishing