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MFA Bypass 101
Why criminals don’t need to beat MFA when they already have your users’ credentials & session cookies
Multi-factor authentication stops the vast majority of unauthorized login attempts. But that number assumes the attacker is starting from scratch – no valid credentials, no active session, nothing to work with. Increasingly, that assumption doesn’t hold.
This guide breaks down where attackers get the data that lets them skip straight past MFA, the specific tactics they use once they have it, and the layers of defense that catch what a second login step can’t.
We explain:
- Where attackers get the credentials and session data that let them sidestep MFA entirely
- The tactics behind common bypass methods, explained without the jargon
- What to add alongside MFA so a stolen login or session isn't enough to get in
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