Why is 2-factor authentication considered secure?

Phone systems seem to be terribly badly standardized, and phonetapping was a thing before the Internet was.

So, two questions:

  1. Is this idea of the international phone network still correct?
  2. Is SMS 2-factor authentication good only because it is out-of-band and immediate?

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Category: mobile phone Time: 2016-07-28 Views: 0

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