If your password is "password," it's really not very secure. And don't change it to "123456," because that's easy for hackers to figure out too. Seriously! People are still using these horrible passwords and several others that need to go away right now.
It was reported that Gmail had been hacked and up to 5 million passwords were leaked. The Gmail part is not true, however, the password part is. Many people use the same password for multiple accounts. If that's you, keep reading.