10/5/2021: Lock down your accounts the right way

Two-factor authentication done right

Plus: Windows 11’s rough landing, Facebook’s big outage, and free e-book tips.

Google two-factor prompt

Ready or not, two-factor authentication is something you’ll need to start thinking about.

This approach to online security, which I’ll call “2FA” from here on, involves combining a regular password with a secondary numeric code, which you must enter on any device where you haven’t logged in before. This extra code typically gets sent to your phone, so someone who steals your password can’t get into your account unless they also have your phone (and know how to unlock it).

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