Passwords
One way we keep our information private is by using a password to access our private information. The combination of a username and password allows you to prove you are who you say you are. The username is who you claim to be, and the password proves it.
Passwords are often stolen. Each of the below is a way to obtain someone elses password. For each one, answer the following. You may look them up, but please use your own words.

Explain what the technique is.
Explain how it is used to obtain a password.
Mention a good way to protect yourself from the technique.
Cite your source.
Shoulder surfing
Phishing
Password cracking
Man in the middle