A company's server room is equipped with motion sensors that alert security personnel when movement is detected after hours. What type of control are the motion sensors?
The motion sensors act as a Detective Control because they identify and alert to unauthorized activity. They do not prevent the incident from occurring but detect it so that appropriate action can be taken. Preventive Controls, like locks or access restrictions, are designed to stop unauthorized access from happening in the first place. Corrective Controls come into play after an incident to mitigate its impact, such as restoring data from backups. Deterrent Controls are intended to discourage potential attackers, like warning signs or visible security cameras.
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What is the purpose of a Detective Control?
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How does a Detective Control differ from a Preventive Control?
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Can a single control act as both Detective and Deterrent?