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Difficulty: MediumSecurity Control Categories and Types

Following an unauthorized intrusion into a server facility, an enterprise security team installs physical key-locked USB port blockers directly onto all exposed server ports to restrict direct hardware access. According to CompTIA Security+ standards, which control category and functional type best describe this security mechanism?

  1. Physical category and preventive functional typeAnswer
  2. B
    Technical category and preventive functional type
  3. C
    Operational category and detective functional type
  4. D
    Managerial category and compensating functional type

Answer

The control is classified under the Physical category and performs a Preventive functional type.
Physical controls are tangible barriers protecting hardware, assets, and facilities. Preventive controls proactively stop security incidents from occurring. Physical USB port locks fit both definitions because they are mechanical items that physically block unauthorized hardware connections.

Step-by-Step Solution

1
Determine the Control Category
The USB port blockers are physical, tangible hardware devices deployed to secure facility hardware.
Physical controls consist of tangible objects, barriers, and environmental mechanisms used to safeguard assets.
2
Determine the Functional Type
The blockers stop unauthorized USB insertion attempts before a connection can take place.
Preventive controls proactively block or deter unauthorized actions to keep security incidents from occurring.

Key Concept

Security Control Categories and Functional Types
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Topics

Security Control Categories and Types

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