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Difficulty: EasyPhysical Security Controls

A corporate executive frequently views confidential financial reports on a company laptop while traveling through busy airport lounges and public spaces. To mitigate the risk of shoulder surfing and unauthorized viewing of screen content by nearby individuals, which of the following physical security controls should be installed on the laptop screen?

  1. Privacy screen filterAnswer
  2. B
    Cable lock
  3. C
    Faraday bag
  4. D
    Biometric scanner

Answer

Privacy screen filter
A privacy screen filter is designed specifically to restrict light transmission from side viewing angles, preventing onlookers from seeing sensitive data displayed on a monitor while maintaining clear visibility for the direct user.

Step-by-Step Solution

1
Identify the threat scenario described in the stem.
The primary threat is shoulder surfing (unauthorized visual inspection of screen content in public areas).
Choosing the correct control requires matching the physical security mechanism to the specific risk.
2
Evaluate the function of physical security controls against shoulder surfing.
A privacy screen filter narrows the viewing cone of the display screen, making it unreadable from side viewing angles.
This directly counteracts shoulder surfing while allowing the primary user to work normally.

Key Concept

Physical Security Controls - Privacy Filters
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Topics

Physical Security Controls

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