this post was submitted on 22 Sep 2024
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[–] ExtremeDullard@lemmy.sdf.org 64 points 1 month ago* (last edited 1 month ago) (19 children)

It's been known for years that SMS-based 2FA is terrible, terrible security. The sites that use them have no interest in their users' accounts' security: all they're interested in is harvesting their phone numbers.

[–] mipadaitu@lemmy.world 18 points 1 month ago (6 children)

SMS is fine for 2FA, as long as you can't use it for anything else, like a password reset.

Once the SMS is used for account recovery, it's now 1FA with a terrible security hole.

If you have complex, single use passwords, and have SMS 2FA, then it's pretty ok. Not the best security, but at least better than a most.

Obviously offline time based passkeys are better for the 2FA, but typically the real problem is how to get into an account if you've lost one part of your login.

[–] ExtremeDullard@lemmy.sdf.org -5 points 1 month ago (5 children)

SMS is fine for 2FA, as long as you can't use it for anything else

Oh yeah? Post your bank customer number and your telephone number on here and see how fast your account gets drained without you even getting a single confirmation code SMS.

[–] xavier666@lemm.ee 2 points 1 month ago

Is this via SIM cloning?

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