Business Email Compromise Attacks Involving MFA Bypass Increase
Multifactor authentication (MFA) is widely regarded as a strong measure for protecting against account takeover attacks. But as with almost any security control, adversaries have devised several ways to bypass it. Researchers from Abnormal Security this week reported observing a recent increase in attacks where threat actors used legacy apps with old email protocols, such as IMAP, SMTP, and POP, to access and take over business email accounts protected with MFA.
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