Reconstruction of leaked signal from USB keyboards

Choi, Hyo-Joon; Lee, Ho Seong; Sim, Dongjoo; Yook, Jong‐Gwan; Sim, Kyuhong

doi:10.1109/ursiap-rasc.2016.7601331

Cited by 7 publications

(1 citation statement)

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“…This coding does not code each bit independently, but codes them according to the previous bits. It is therefore necessary to intercept bit-perfect information [73]. Zhang et al [74] use neural networks (an echo state network) to classify received signals and then select the most likely choice from the coding possibilities, leading to a complex yet functional system.…”

Section: A Radio Frequency Radiation Side-channelsmentioning

confidence: 99%

Whispering Devices: A Survey on How Side-channels Lead to Compromised Information

et al. 2021

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While operating, information processing devices or communication systems may emit unwanted signals (or alter existing ones) through electromagnetic waves, light, sound or power drain. These side-channels can be intercepted by anyone with scientific or technical knowledge and appropriate equipment, leading to a potentially high risk of security breaches. This survey focuses on these emanation side-channels and provides an extensive literature review. To provide an in-depth analysis despite the variety of attacks, we propose to classify the sidechannels based on their criticality, their intentionality, the type of attackers, and the physical medium. Illustrative use-cases are presented and serve as a basis to infer individual threats. Particular attention is paid to electromagnetic side-channels which exhibit the highest criticality and have therefore been used in the most recent attacks. The main characteristics of the sidechannels revealed by state-of-the-art papers are summarized and recommendations on countermeasures are provided to protect any sensitive equipment.

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Section: A Radio Frequency Radiation Side-channelsmentioning

confidence: 99%