Security Protocols XIX

Volume 7114 of the series Lecture Notes in Computer Science pp 189-199

Attack Detection vs. Privacy – How to Find the Link or How to Hide It?

  • Jiří KůrAffiliated withMasaryk University
  • , Vashek MatyášAffiliated withMasaryk University
  • , Andriy StetskoAffiliated withMasaryk University
  • , Petr ŠvendaAffiliated withMasaryk University

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Wireless sensor networks often have to be protected not only against an active attacker who tries to disrupt a network operation, but also against a passive attacker who tries to get sensitive information about the location of a certain node or about the movement of a tracked object. To address such issues, we can use an intrusion detection system and a privacy mechanism simultaneously. However, both of these often come with contradictory aims. A privacy mechanism typically tries to hide a relation between various events while an intrusion detection system tries to link the events up. This paper explores some of the problems that might occur when these techniques are brought together and we also provide some ideas how these problems could be solved.