Microsoft has warned that fraudulent Microsoft Partner Network (MPN) accounts were used in a phishing campaign that featured bogus apps that tricked victims into granting them permissions to access ...

Microsoft Corp. on Tuesday detailed three hacking campaigns that made use of OAuth, a technology commonly used to let workers log into business applications with their Microsoft and Google accounts.

Hackers are abusing the legitimate OAuth redirection mechanism to bypass phishing protections in email and browsers to take users to malicious pages. The attacks target government and public-sector ...

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 ...

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 ...