Definition: A Password is a string of letters (upper and lower case, numbers and special characters that is known by the operating system and a legitimate user of information resources. The person or device that is attempting to access an information system is challenged to provide a secret word and the user enters it. The system compares the user’s response with that which is expected for a legitimate user and access to the system is granted if there is a match. Otherwise, access is denied. The phrase or expression can contain letters (upper and lower case), words, numbers and special characters. This process is just one form of authentication.

Its Relevance: A business or individual should have a very robust plan on how to use private words to access information resources. Organizations should at least have a password policy for the purpose of authentication. An information security policy should exist on how the secret access phrases, words, numbers and special characters are to be used.

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