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The Defense Strategies can be implemented either as application controls or general controls. Some are intended to protect against human errors or others protect against natural causes. General controls are established to protect the system regardless of the specific application e.g. protecting hardware and controlling access to a computer centre. Application controls as safeguards that are intended to protect specific applications, major categories of general controls include physical controls, access controls, data security controls, network controls and administrative controls.
The Physical Controls refer to protection of computer facilities and resources which include computers, data centers, software manuals and networks. Physical controls protect against most natural hazards and subhuman hazards and are commonly referred to as the first line in defense.
They include the following:
- Appropriate design of a computer centre so that it is fireproof and waterproof
- Shielding against electromagnetic fields
- Good fire prevention, detection and extinguishing system
- Emergency power shut off and backup batteries
- Properly designed maintained and operated air conditioning system
- Motion detector alarms that detect physical intrusion
Kavungya answered the question on May 10, 2019 at 13:12
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