Russia-linked APT group Cozy Bear continues to target Microsoft 365 accounts in NATO countries for cyberespionage purposes. Mandiant researchers reported that the Russia-linked Cozy Bear cyberespionage group (aka APT29, CozyDuke, and Nobelium), has targeted Microsoft 365 accounts in espionage campaigns. The experts pointed out that APT29 devised new advanced tactics, techniques, and procedures to evade detection. […]