MS Teams phishing masks espionage campaign
Cybersecurity investigators have linked a Microsoft Teams-based credential theft operation to MuddyWater, the state-sponsored threat group associated with Iran’s intelligence apparatus, after an intrusion first presented itself as an ordinary Chaos ransomware attack. The operation, detected in early 2026 and detailed this week, shows how trusted workplace collaboration tools are being turned into entry points for espionage. Attackers used Teams chats and screen-sharing sessions to trick employees […]