A good password is easy for its owner to remember and difficult for anyone else to guess.
- Good passwords are combinations of letters, numbers, and special characters. However, please keep in mind that the special characters - like 'space', %, *, ", ', \, (, ), { and } are known to be problematic for some systems.
- Passwords are case-sensitive: the passwords WHATEVERHAPPENS, whateverhappens, and WhatEverHappens are different. Mixed-case passwords are more difficult to guess than passwords that are entirely uppercase or entirely lowercase.
- One strategy for creating acceptable passwords is to join two words together, or, better, to join two separate words with a special character. For example, Denver!Broncos would be an easy password for a Broncos fan to remember.
- You can increase the security of passwords by replacing letters with numbers or special characters. For example, Denver!Br0nc0s, D3nv3r!8roncos or Den^er!Broncos would be almost as easy to remember as Denver!Broncos, but considerably more difficult to guess.
- Another strategy is to join the first letters of a phrase or sentence. For example, the obscure-looking password 4sa7yaof was created by from "Four score and seven years ago, our fathers".
- Avoid passwords like names, telephone numbers, birth dates and Social Security Numbers.
Password requirements are meant to help us provide a computing environment that is both available and secure. For our increasingly vital computer operations, these are key features.