Researchers have uncovered a sustained and ongoing campaign by Russian spies that uses a clever phishing technique to hijack Microsoft 365 accounts belonging to a wide range of targets, researchers ...

Device code phishing attacks that abuse the OAuth 2.0 Device Authorization Grant flow to hijack accounts have surged more than 37 times this year.

Device code phishing targets 340+ Microsoft 365 orgs since Feb 2026 via OAuth abuse, enabling persistent token hijacking and ...