Security applications of peer-to-peer networks

  • Authors:
  • Vasileios Vlachos;Stephanos Androutsellis-Theotokis;Diomidis Spinellis

  • Affiliations:
  • Department of Management Science and Technology, Athens University of Economics and Business (AUEB), Patission 76, GR-104 34 Athens, Greece;Department of Management Science and Technology, Athens University of Economics and Business (AUEB), Patission 76, GR-104 34 Athens, Greece;Department of Management Science and Technology, Athens University of Economics and Business (AUEB), Patission 76, GR-104 34 Athens, Greece

  • Venue:
  • Computer Networks: The International Journal of Computer and Telecommunications Networking
  • Year:
  • 2004

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Abstract

Open networks are often insecure and provide an opportunity for viruses and DDOS activities to spread. To make such networks more resilient against these kind of threats, we propose the use of a peer-to-peer architecture whereby each peer is responsible for: (a) detecting whether a virus or worm is uncontrollably propagating through the network resulting in an epidemic; (b) automatically dispatching warnings and information to other peers of a security-focused group; and (c) taking specific precautions for protecting their host by automatically hardening their security measures during the epidemic. This can lead to auto-adaptive secure operating systems that automatically change the trust level of the services they provide. We demonstrate our approach through a prototype application based on the JXTA peer-to-peer infrastructure.