Fake IT Calls Target Executives in Microsoft 365 Data Theft and Extortion Attacks
Fake IT Calls Target Executives in Microsoft 365 Data Theft and Extortion Attacks
07 September 2026
Threat hunters have disclosed details of a widespread data theft and extortion threat cluster that's targeting Microsoft 365 and other software-as-a-service (SaaS) offerings through information technology (IT) help desk vishing, adversary-in-the-middle (AitM) token theft, and residential-proxy sign-ins.
The activity, which mainly singles out directors, vice presidents, and other executive staff