Cyber safety · lesson 5 of 24 · free

Two-step verification — Cyber safety for kids

Two-step verification (two-step login) adds a second lock. After your password — something you know — it asks for a second proof: something you have (a code on your phone, a security key) or something you are (a fingerprint, a face scan). Even if someone learns your password, they cannot get in without the second step. Set it up with a parent and never share the code.

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Stay safe

Know + have (or are) — “a password you know, plus a code you have or a fingerprint you are”

  1. Something you know: password, PIN, passphrase, pattern.
  2. Something you have: phone, OTP on your phone, security key, card. Something you are: fingerprint, face, voice.
  3. Two-step login = two different kinds. A login code you did not ask for means someone may have your password — tell a parent and change it.

Use it for: Email, game and school accounts — any account that offers it.

Worked example: 🛡️ Which kind of proof is your fingerprint? → something you are

  1. A fingerprint is part of your body.
  2. So it is something you are.

Check: Try it: with a parent, check whether one of your accounts has two-step login turned on ✓

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✏️ Practice

Work it out in your head or on paper, type the answer and press Check. Stuck? Press “Show me how”.

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🏁 Lesson 5 test

20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.

🏅 Sign in with Google to earn the 🛡️ Two-Step Defender badge when you pass — and a certificate when you finish all 8 lessons of Part 1 · Personal information and passwords. You can still take the test without signing in.

🖨️ Cyber Safety Worksheet: Two-Step Verification

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