S9E392 - Don’t trust that app!

While our team is out on winter break, please enjoy this episode of Research Saturday.

Today we are joined by ⁠⁠Selena Larson⁠⁠, co-host of ⁠⁠Only Malware in the Building⁠⁠ and Staff Threat Researcher and Lead Intelligence Analysis and Strategy at ⁠⁠Proofpoint⁠⁠, sharing their work on "Microsoft OAuth App Impersonation Campaign Leads to MFA Phishing." Proofpoint researchers have identified campaigns where threat actors use fake Microsoft OAuth apps to impersonate services like Adobe, DocuSign, and SharePoint, stealing credentials and bypassing MFA via attacker-in-the-middle phishing kits, mainly Tycoon.

These attacks redirect users to fake Microsoft login pages to capture credentials...