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Structured P2P networks are vulnerable to the sybil attack. In this attack, a misbehaving person creates many node identifiers and possibly chooses some of them in order to disrupt availability or integrity in the P2P network. In this paper, we propose a sybil-resistant distributed admission control system which combines SybilGuard with distributed certification. A new node can join the network if,...
The following topics are dealt with: IP network security; wireless security; network topology; power line communication; intelligent transportation; cryptography; P2P streaming; wireless communication; wireless channel; network traffic; routing protocol; security protocols; resource management; ad hoc network; wireless sensor network; MAC protocol; power control; QoS; scheduling; coding; modulation;...
Zero-day attacks - especially those that hide the attack exploit by using code obfuscation and encryption - remain a formidable challenge to existing network defenses. Many techniques have been developed that can address known attacks and similar new attacks that may arise in the future. Some methods, like Earlybird and Polygraph, focus on string-based content prevalence in payloads; others focus...
The widespread use of Wi-Fi in the US and Europe has brought a new security concern among Wi-Fi owners and developers. However this concern and awareness are still low in Malaysia. A survey using the NetStumbler and a GPS receiver to locate the coordinates of detected Wi-Fi APs was carried out in the Golden Triangle area of Kuala Lumpur, Malaysia. This paper will describe how far the owners and administrators...
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