Two-factor authentication: your second lock
Even if someone guesses your password, 2FA keeps the door shut.
Two-factor authentication is a second check on top of your password: a code, an app or a tap on your phone. As a result, knowing your password is no longer enough to get in. It's one of the most effective protections for almost no effort.
Which method to pick
An authenticator app that generates codes is safer than SMS, which can be hijacked. Some platforms also offer one-tap confirmation. Pick whatever you'll actually use daily, otherwise you'll turn it off.
Turn it on first, where?
Start with your email and social media: those are the accounts used to reset all the others. Protecting your inbox means protecting the key to your digital identity. Then extend it to your gaming and banking accounts.
Keep your backup codes somewhere safe: they'll save you if you lose your phone.
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