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Comment on Millions of people imperiled through sign-in links sent by SMS

artyom@piefed.social ⁨1⁩ ⁨day⁩ ago

If you dont have the username and password, what good does an sms code do for anything?

The entire point of MFA is to protect against someone who does have your username and password…

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irotsoma@piefed.blahaj.zone ⁨1⁩ ⁨day⁩ ago
Exactly, so it does that job because it requires an entirely different and complex skill-set to intercept sms messages and you have to do both things now if sms 2FA is in place. With the issue in the article you dont even need to intercept sms meant for a particular user to get access to random users’ accounts, thus totally different issue.

I asked, what is better for a second factor than SMS?

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- artyom@piefed.social ⁨1⁩ ⁨day⁩ ago
  
  so it does that job
  
  It does, really poorly, for the reasons I’ve listed, and for the reasons in the OP.
  
  With the issue in the article you dont even need to intercept sms meant for a particular user to get access to random users’ accounts, thus totally different issue.
  
  Not a different issue at all. Exact same issue, with lower risk.
  
  I asked, what is better for a second factor than SMS?
  
  I answered this like 12 comments ago.
  
  We’re going around in circles now so I’ll bid you good night.
  
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