Why are authorization lists so vulnerable to the unauthorised change that they need to be encrypted and protected? What kind of harm could occur if these files are altered in an unanticipated or unexpected manner?

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Why are authorization lists so vulnerable to the unauthorised change that they need to be encrypted and protected? What kind of harm could occur if these files are altered in an unanticipated or unexpected manner?

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