Measuring Anonymity: The Disclosure Attack

  • Authors:
  • Dakshi Agrawal;Dogan Kesdogan

  • Affiliations:
  • IBM T.J. Watson Research Center;Aachen University of Technology

  • Venue:
  • IEEE Security and Privacy
  • Year:
  • 2003

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Abstract

Anonymity services hide user identity at the network or address level but are vulnerable to attacks involving repeated observations of the user. Quantifying the number of observations required for an attack is a useful measure of anonymity.