Browsers & Accounts · Course 2
HTTPS & Certificates
Read certificates, handle warnings and spot look-alike sites.
- 1Reading a Certificate11 min · See what a site's certificate proves, and what it can't tell you.
- 2Certificate Warnings11 min · Understand the warning page, its common causes, and the safe choice.
- 3Look-Alike Domains11 min · Catch misspelled, padded and look-alike web addresses before you sign in.
- 4HTTPS-Only and Secure DNS11 min · Two browser settings that keep more of your browsing scrambled.
- 5Challenge: Hotel Wi-Fi and a Bank Warning12 min · Help your dad get online safely at a hotel and handle a bank warning.
Hands-on
Do it on the practice computer
Lessons have labs you can try in your browser, plus questions that earn points toward the Cert Checker badge.
Start lesson 1