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21 May 2018
26 Aug 2017
A recent article in the New York Times Dealbook column reported on phone number hijacking, in which a bad guy fraudulently takes over someone's mobile phone number and used it to reset credentials and drain the victim's account. It happens a lot, even to the chief technologist of the FTC. This reminds us that security is hard, and understanding two factor authentication is harder than it seems.The usual definition of two-factor is to pick two different items from a list of security types:
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