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MFA Bypass 101

How Hackers Combine Attack Methods and Stolen Credentials to Sidestep Multi-Factor Authentication
MFA Bypass 101 Whitepaper

Microsoft famously stated that user accounts are “more than 99.9% less likely to be compromised if you use MFA.” While there is little doubt MFA (multi-factor authentication) is an effective deterrent against cyber attacks, it’s not a “magic bullet.”

In this whitepaper, SpyCloud examines the human weaknesses and technological pain points in MFA to show how the most basic personal identifiers are being used to gain a foothold in users’ computers and wreak havoc. Educating your users on basic cyber hygiene while monitoring for compromised credentials within your network can ensure you’re getting the most from your MFA investment.

We explain:

  • How breached passwords and PII fuel criminals’ ability to circumvent MFA 
  • Five common attack methods in plain English 
  • Preventative methods to use in a layered cybersecurity program
Download the PDF version of the whitepaper to print or share with others.


Account Takeover Prevention
Detect and automatically reset exposed credentials before criminals can exploit them to bypass MFA and take over accounts.

Trusted by market leaders

With 500+ customers around the world, including half of the Fortune 10, SpyCloud is the leader in operationalizing Cybercrime Analytics to protect businesses.

We’re on a mission to make the internet a safer place by disrupting the criminal underground. Together with our customers, we aim to stop criminals from profiting off stolen data.

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See your real-time account takeover exposure details powered by SpyCloud data.

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