TEMPEST (Telecommunications Electronics Materials Protected from Emanating Spurious Transmissions) is about spying on information systems through leaking electromagnetic emanations, sounds, and mechanical vibrations and how to shield equipment against such spying. Which of the following is the most effective countermeasure against the concern of TEMPEST? (Source: Wentz QOTD)
A. Captive portal
B. Awareness training
C. Air-gapped network
D. Wire-meshed space
Wentz’s Book, The Effective CISSP: Security and Risk Management https://www.amazon.com/dp/B087JL6BXR
Kindly be reminded that the suggested answer is for your reference only. It doesn’t matter whether you have the right or wrong answer. What really matters is your reasoning process and justifications.
My suggested answer is D. Wire-meshed space.
Thank you very much for your explanation and kind support to peers, Vadiraj!
Reference
- Tempest (codename)
- Sheep dip (computing)
- Sheep dipped (intelligence)
- ‘Sheep Dipping’ is the worst name for the military’s best job
- Network Access Control
- Captive portal
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