A surge in phishing campaigns abusing Microsoft’s OAuth device code authorization flow has been observed with multiple threat clusters using the technique to gain unauthorized access to Microsoft 365 ...

Russian threat actors have been abusing legitimate OAuth 2.0 authentication workflows to hijack Microsoft 365 accounts of employees of organizations related to Ukraine and human rights. The adversary ...

Cybercriminals and state-sponsored hackers are increasingly exploiting Microsoft’s legitimate OAuth 2.0 device authorization process to hijack enterprise accounts, bypassing multifactor authentication ...