Hackers thought to be aligned with China and Russia are suspected to be behind a wave of account takeover attacks targeting Microsoft 365 users.

Multiple threat actors are compromising Microsoft 365 accounts in phishing attacks that leverage the OAuth device code authorization mechanism.

Threat Groups Hijack Microsoft 365 Accounts Using OAuth Device Code Exploit Security researchers warn that threat groups are ...

Cybercriminals have launched a widespread phishing campaign exploiting Microsoft's OAuth device code flow to bypass MFA and ...

The surge in attempts to compromise Microsoft 365 accounts has been enabled by readily available phishing tools.

Proofpoint has warned about phishing campaigns abusing legitimate device authorization flow to bypass MFA and gain persistent ...

Microsoft is working to fix a DNS misconfiguration that is causing one-time passcode (OTP) message delivery failures in Exchange Online for some users. Recipients may receive a single-use access code ...