3 ms·
If 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
by occamrazor 8y ago
If 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.