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Question

Difficulty: MediumPhysical Security Controls

A cybersecurity technician is designing a physical security baseline for an enterprise datacenter facility and employee workstations. Match each physical security control to the specific threat or unauthorized physical security risk it is engineered to prevent.

  • Faraday cageBlocks electromagnetic field emissions to prevent unauthorized wireless signal eavesdropping.
  • MantrapEliminates tailgating by utilizing interlocking doors that enforce individual authentication.
  • Privacy filterMitigates shoulder surfing by narrowing effective monitor viewing angles.
  • Cable lockPrevents opportunistic theft of hardware by anchoring device chassis to fixed furniture.

Answer

Faraday cage pairs with blocking electromagnetic field emissions; Mantrap pairs with eliminating tailgating via interlocking doors; Privacy filter pairs with mitigating shoulder surfing by narrowing screen viewing angles; Cable lock pairs with preventing physical hardware theft by anchoring devices.
Each control directly mitigates its paired physical vulnerability: Faraday cages suppress electromagnetic waves, mantraps control physical human access cadence to prevent piggybacking, privacy filters restrict screen viewing line-of-sight against observation, and cable locks mechanically bind equipment against unauthorized removal.

Step-by-Step Solution

1
Analyze each physical security control's operational mechanism.
Identified the primary defense domain for each control (RF shielding, access control, visual privacy, physical theft prevention).
Understanding the physical property targeted by each control allows proper alignment with corresponding threat mitigations.
2
Map Faraday cage to wireless/electromagnetic threat mitigation.
Faraday cage matches the prevention of electromagnetic field signal eavesdropping.
Conductive enclosures restrict ingress and egress of RF signals.
3
Map Mantrap to physical entry control.
Mantrap matches eliminating tailgating using interlocking access doors.
Two-stage access control requires individual verification before allowing access into secured areas.
4
Map Privacy filter to visual threat protection.
Privacy filter matches mitigating shoulder surfing.
Polarized films limit monitor visibility exclusively to direct viewing positions.
5
Map Cable lock to equipment theft prevention.
Cable lock matches preventing opportunistic device theft by anchoring to fixed objects.
Physical cables mechanically tether hardware components to solid structures.

Key Concept

Physical Security Controls and Threat Mitigation
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Topics

Physical Security Controls

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