Lesson 137 · 2 min
Two-factor authentication
Two-factor authentication asks for a second proof after your password, which stops most account takeovers, as long as you never share that second code.
With two-factor turned on, logging in needs your password plus something else: a code from an app, a text message, a tap on your phone, or a security key.
Authenticator apps and security keys are safer than text codes, because criminals can sometimes take over a phone number. Still, any second factor is far better than none.
The weak point is people. Scammers call pretending to be support and ask you to read out the code you just received. That code is the key to your account.
Turn it on for email, social media and anything with money. Save the backup codes somewhere safe and offline in case you lose your phone.
Do it now
Turn it on for one account
- 1. Open the security settings of your main social media account.
- 2. Turn on two-step verification, choosing an authenticator app if offered.
- 3. Write the backup codes on paper and keep them at home.
Quick check
Keep going
Next →Fake AI investment robotsWords from this lesson
- Data privacy
- Keeping personal or confidential information under control, including deciding what you type into AI tools and where it is stored.
- Phishing
- Fake messages that pretend to be someone you trust to trick you into clicking a link, paying or sharing passwords.