Threat actors abuse Microsoft’s “verified publisher” status to exploit OAuth privileges
Posted: Wed, 02/01/2023 - 7:22pm
Researchers from cybersecurity firm Proofpoint claim to have discovered a new threat campaign involving malicious third-party OAuth apps that are used to infiltrate organizations’ cloud environments. According to a blog on the company’s website, threat actors satisfied Microsoft’s requirements for third-party OAuth apps by abusing the Microsoft “verified publisher” status, employing brand abuse, app impersonation and other social engineering tactics to lure users into authorizing malicious apps.