The book rightly recommends forcing users to mix uppercase and lowercase characters, digits and punctuation characters to create more secure passwords.

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From there, I can change my password and they recommend that I have 8-20 characters, with a mix of uppercase and lowercase letters, numbers and special characters.

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You'll need a password of 7 to 12 characters, one uppercase, one lowercase, one number and, preferably, one character like an exclamation point or ampersand.

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