Compromising Electromagnetic Emanations of Wired and Wireless Keyboards

  title={Compromising Electromagnetic Emanations of Wired and Wireless Keyboards},
  author={Martin Vuagnoux and Sylvain Pasini},
  booktitle={USENIX Security Symposium},
Computer keyboards are often used to transmit confidential data such as passwords. Since they contain electronic components, keyboards eventually emit electromagnetic waves. These emanations could reveal sensitive information such as keystrokes. The technique generally used to detect compromising emanations is based on a wide-band receiver, tuned on a specific frequency. However, this method may not be optimal since a significant amount of information is lost during the signal acquisition. Our… CONTINUE READING
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