electromagnetic (and other esoteric means of) eavesdropping - - PowerPoint PPT Presentation

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Feb 02, 2024 185 likes •325 views

electromagnetic (and other esoteric means of) eavesdropping alexandru totolici Saturday, July 9, 1 electromagnetic many devices emit electromagnetic radiation during normal use the produced electromagnetic radiation can be used to

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electromagnetic (and other esoteric means of) eavesdropping

alexandru totolici

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many devices emit electromagnetic radiation during normal use the produced electromagnetic radiation can be used to reconstruct information

electromagnetic

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Van Eck Phreaking

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http://www.youtube.com/watch?v=Xm_j9al13Wg Van Eck Phreaking Demo

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Keyboard Sniffing

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http://vimeo.com/2007855 Keyboard EM Sniffing I

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http://vimeo.com/2008343 Keyboard EM Sniffing II

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TEMPEST

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many devices emit sound during normal use the produced sound can be used to reconstruct information

acoustic

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Key Click Sniffing:

use a laser mic to pick up sound reflections

from the keyboard lid

trained sets (unhelpful, need one for every

type of keyboard)

untrained sets, use HMM/neural nets to

identify likely words (in English)

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Printer Sniffing:

similar approach, based on listening in on

the sound made by the dots and inferring the corresponding characters

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http://pinboard.in/u:toto/t:udls-em/

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