digisafe
Turning on two-factor authentication comes bundled with a backup gift most people ignore until the exact moment they desperately need it.
The right way to treat backup codes from two-factor authentication is printing them or storing them securely in a password manager, since they're the only spare key back into your account if you lose the phone your authenticator app was running on — without them, losing that one device can permanently lock you out.
Deleting them immediately assumes you'll never lose access to your authenticating device, which is a common and unpredictable accident, not a rare edge case, and posting them publicly on social media defeats their entire purpose by handing the emergency key to anyone who might want to break in.
Account lockout from a lost or reset phone happens about as often as actual hacking attempts, which is exactly why security guidance treats storing these codes the moment they're issued as just as important as setting up 2FA in the first place, not an optional afterthought.
digisafe
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