A strong password meets the following criteria: Be at least 12 characters. Contain at least one of each: uppercase letters, lowercase letters, numbers, symbols. Not repeat a character 3 or more times. Not use an ordered numeric sequence of more than 2 characters (i.e. 123 or 321). Not use an ordered or patterned sequence of adjacent characters of more than 3 characters (i.e. abcd, abab).