Hacking
Hacking is breaking into someone's account, computer, or website with or without permission. There are 3 types of hackers. Black hackers, gray hackers, and white hackers.
Black hackers: Entering someone's account without permission with a bad intention.
Gray hackers: Entering someone's account without permission with good intentions, or entering an account with permissions with bad intentions.
White hackers: Entering someone's account with permissions for a good cause.
Its hard to get hacked if you:
Password with numbers, capital letters, and characters
No obvious passwords
Do not give your password to other people.