2-factor authentication. Protect yo neck (and logins)

A few days ago, I wrote about password managers and why they’re a good idea. You also need to use 2-factor authentication. 2-factor authentication (2FA) and passwords are both ways of trying to solve the problem of identifying yourself to a Web site or app. 2-factor says, “I am who I say I am, because of something I know (the password) and something I have (a second device the service knows.)

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