How to Bypass Two-Factor Authentication – One Step at a Time
Summary
This article from Black Hills Information Security discusses methods for bypassing two-factor authentication. It references a previous blog post by Beau Bullock detailing how his PowerShell tool, MailSniper, could sometimes circumvent OWA portals by utilizing EWS.
IFF Assessment
FOE
The article details methods to bypass a common security control, which is bad news for defenders.
Defender Context
Understanding how attackers can bypass two-factor authentication is crucial for defenders. It highlights the need to go beyond basic MFA implementations and consider advanced attack vectors that target specific protocols or authentication flows.