What services does Google offer?
Why do I need to protect my account?
Chapter 3 Two-factor Authentication
How to setup 2-step verification on Google
Setting up Google to use your key
Using Google Services on your mobile device(s)
Accessing 2-step authentication after setup
Chapter 4 Protecting your account away from home
Use your own devices where possible
Use sites that connect with https
Chapter 5 Other ways to protect your account
Recognizing spam, scams and phishing emails
Your friend is on vacation and asks you for money