Iran-Linked Password-Spraying Campaign Targets 300+ Israeli Microsoft 365 Organizations

AnIran-nexus threat actor is suspected to be behind a password-spraying campaign targeting Microsoft 365 environments in Israel and the U.A.E. amidongoing conflict in the MiddleEast. Theactivity, assessed to be ongoing, was carried out in three distinct attack waves that took place on March 3, March 13, and March 23, 2026, per CheckPoint. "The campaign is primarily