What is Two-Factor Authentication?
Signing in with two different proofs, such as your password plus a code from your phone, so a stolen password alone is not enough to get in.
password + phone code · open
Two-factor authentication asks for…
Write it in your own words in the app.
In real work
After a fake email tricked one volunteer, the nonprofit turned on two-factor authentication, so every login now also needs a code from Microsoft Authenticator.
In the illustration
The dial turns to the right combination but the bolt holds; a six-digit code card slides from the phone dock into the second lock and the bolt draws back.
Write a one-page guide to turning on two-factor authentication for our volunteers in your workspace: why it matters, the steps, and what to do if you lose your phone.
Try it now
The fastest way to learn a word is to use it. Open this line in the agent you already work in and watch what it does. Change the tool to the one you use.
Go further
01Practice
Make it stick
One term a day, a short quiz, and sentence practice that checks your own words.
02Verify
Prove you know it
Pass the quiz and keep it in a Skills Wallet you can share with anyone who needs proof.
03Career
Find the work that uses it
See which roles lean on this vocabulary, and what they pay in year one.
Learn the next term tomorrow.
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