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

Proofpoint reports phishing surge abusing Microsoft OAuth 2.0 device code flow Victims enter codes on real Microsoft domains, granting attackers access tokens Proofpoint advises blocking device code ...

Overlooked attack method used since last August in a rash of account takeovers. Well, this sucks. But the target list makes sense, from the perspective of an enemy attacking. Ed: trying to be sure the ...