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Difficulty: MediumPhysical Security Controls

A systems administrator is configuring a workstation in a high-traffic customer service area. The administrator must prevent unauthorized bystanders standing at side angles from viewing sensitive personal data displayed on the screen. Which of the following physical security controls is best suited for this requirement?

  1. Privacy filterAnswer
  2. B
    Cable lock
  3. C
    Faraday bag
  4. D
    Smart card reader

Answer

Installing a privacy filter narrows the display viewing angle so only the person directly in front of the screen can read the contents.
A privacy filter attaches directly to a monitor to restrict side-angle viewing, making the screen appear dark or blurred to individuals standing to the side while keeping it legible for the primary user.

Step-by-Step Solution

1
Identify the primary physical threat presented in the scenario.
The threat is shoulder surfing or visual observation of sensitive display information from unauthorized angles by nearby individuals.
The workstation is located in a high-traffic customer service area where visitors frequently walk past.
2
Evaluate physical security controls designed specifically for display security.
A privacy filter limits light transmission to narrow viewing angles, darkening the screen content when viewed from the side.
This mitigates visual eavesdropping while allowing the user facing the screen directly to work normally.

Key Concept

Physical Security Controls - Privacy Filters
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Topics

Physical Security Controls

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