APT41's Expanding Arsenal: Google Calendar C2, Silver Dragon, and the Persistent Threat to U.S. Defense and Healthcare

APT41's Expanding Arsenal: Google Calendar C2, Silver Dragon, and the Persistent Threat to U.S. Defense and Healthcare RedSheep Reports | March 16, 2026 APT41 is not slowing down. The Chinese-nexus threat group has spawned a newly identified sub-clus...