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Schneier on Security

• 

  The Failure of Two-Factor Authentication

  Posted: February 6th, 2012, 1:23pm CST

  Tags:    [edit]

  In 2005, I wrote an essay called "The Failure of Two-Factor Authentication," where I predicted that attackers would get around multi-factor authentication systems with tools that attack the transactions in real time: man-in-the-middle attacks and Trojan attacks against the client endpoint. This BBC article describes exactly that: After logging in to the bank's real site, account holders are being tricked...