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2 . A security policy is a statement of what is and what is not allowed. A security mechanism is a method, tool, or procedure

2.A security policy is a statement of what is and what is not allowed. A security mechanism is a method, tool, or procedure for enforcing a security policy. For each of the following situations (a to e), formulate a security policy and identify a mechanism for implementing the policy.
Example situation: Several security breaches occurred when users used passwords that are too short (normally fewer than 5 letters/digits) or words that are directly from dictionary. Example Policy: Passwords should be greater than 8 characters long and should not be found in the dictionary.
Example Mechanism: An operating system password program can be created to enforce above password policy by requiring passwords of a minimum length and preventing use of any word from the dictionary.
a. One of the attacking strategies hackers often use is to guess a user's password to break into protected systems (Don't repeat example policy above).

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