Mobile Networking · Course 2
Encryption in Transit
How HTTPS keeps your data private on its way to the server.
- 1HTTPS & the Padlock12 min · See how HTTPS protects a connection and what the padlock does and doesn't promise.
- 2Certificates & Trust12 min · Learn who vouches for a website and how your phone decides whom to believe.
- 3Certificate Pinning12 min · See how some apps trust only their own server's key, and what that costs.
- 4End-to-End Encryption12 min · Find out how some apps lock messages so even their own servers can't read them.
Hands-on
Do it on the simulated phone
Every lesson has a lab you can try in your browser, plus questions that earn points toward the Padlock badge.
Start lesson 1