Keeping your passwords from falling into the hands of someone with malicious intent is very important. The best alternative is to use a password storage program and keep a different username and password for each site.

When subscribing to any site, you should never use the same name for both your username and password. This is highly insecure.

The best passwords combine letters: uppercase and lowercase, numbers and characters in nonsense formations.

Some of the worst passwords are average everyday words, birthdays, pet's name, and popular things, such as pop stars, cartoon characters and movie characters.

When you provide a site with sensitive information, be sure your username and password for that site are unique.

Examples of sites that you should always use unique passwords for: PayPal, & Your Online Banking.
Never give those to anyone.