"Pixhell" Targets Air Gaps
This is a Israel news story, published by Dark Reading, that relates primarily to Mordechai Guri news.
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covert channel attackDark Reading
•Air Gaps Undone by Acoustic Attack via LCD Screens
62% Informative
A newly devised covert channel attack method could undermine air gaps at highly sensitive organizations.
Israel 's Mordechai Guri of Ben-Gurion University has long researched ways of crossing air gaps with sound waves.
His latest attack scenario, "Pixhell," enables data theft using sounds produced by specially generated, rapidly shifting bitmap patterns on an LCD screen.
The greater distance between communicating computers, the more difficult it is to exploit covert channels.
The operative idea is signal-to-noise ratio ( SNR ) How much noise does one have to generate to make a covert channel attack impractical? Whether such science-fiction-level defenses are warranted will depend on the organization at risk.
VR Score
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