Strong passwords: How to create and use them

from Microsoft's Security at Home: Personal information center:

Your passwords are the keys you use to unlock your computer and online accounts. The stronger the password, the better the security against intrusion by hackers and thieves, who could use your information to open new credit card accounts, apply for a mortgage, or even chat online disguised as you—and you wouldn't know it until it was too late. It's not hard to create strong passwords. With a small amount of effort on your part and some tricks provided in this article, you can help improve the security of your computer.

	Strong password checklist
	Create a strong, memorable password in 4 steps
	Keeping your passwords secret
	How to access and change your passwords
	What to do if your password is stolen