CS account passwords must meet the following requirements:
It is recommended that your password meet the following requirements:
You can access your CS account settings by visiting https://accounts.cs.byu.edu.
Suggestion: Try thinking of passphrase instead of password when choosing your password. Pick 2 or 3 random nouns and make a phrase out of it. The xkcd comic strip by Randall Munroe has a great example of this: