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Two factor only prevents someone logging into your current account; it doesn't prevent someone from reusing your password on a different system. I'm talking ab
by peterwwillis 8y ago
Two factor only prevents someone logging into your current account; it doesn't prevent someone from reusing your password on a different system.
I'm talking about two completely different attacks. One is password reuse, one is not. 2FA does not protect against password reuse, because not every system in the world offers 2FA.
- ggggtez 8y ago2FA "only" prevents someone from logging into my account? What do you mean "only"? That's the whole point!
- occamrazor 8y agoIf you use the same password with a service with 2FA and one without, and the service with 2FA gets hacked, the attacker can access the service without 2FA with the stolen password. 2FA is a protection against password reuse only for the sites who use it.