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» Techniques for Securing Networks Against Criminal Attacks
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SP
2008
IEEE
285views Security Privacy» more  SP 2008»
15 years 4 months ago
SybilLimit: A Near-Optimal Social Network Defense against Sybil Attacks
Decentralized distributed systems such as peer-to-peer systems are particularly vulnerable to sybil attacks, where a malicious user pretends to have multiple identities (called sy...
Haifeng Yu, Phillip B. Gibbons, Michael Kaminsky, ...
SIGCOMM
2006
ACM
15 years 3 months ago
SybilGuard: defending against sybil attacks via social networks
Peer-to-peer and other decentralized, distributed systems are known to be particularly vulnerable to sybil attacks. In a sybil attack, a malicious user obtains multiple fake ident...
Haifeng Yu, Michael Kaminsky, Phillip B. Gibbons, ...
SOUPS
2006
ACM
15 years 3 months ago
The methodology and an application to fight against Unicode attacks
Unicode is becoming a dominant character representation format for information processing. This presents a very dangerous usability and security problem for many applications. The...
Anthony Y. Fu, Xiaotie Deng, Liu Wenyin, Greg Litt...
90
Voted
JSAC
2008
199views more  JSAC 2008»
14 years 9 months ago
Defense against Primary User Emulation Attacks in Cognitive Radio Networks
Cognitive Radio (CR) is a promising technology that can alleviate the spectrum shortage problem by enabling unlicensed users equipped with CRs to coexist with incumbent users in li...
Ruiliang Chen, Jung Min Park, Jeffrey H. Reed
CCS
2003
ACM
15 years 2 months ago
Using graphic turing tests to counter automated DDoS attacks against web servers
We present WebSOS, a novel overlay-based architecture that provides guaranteed access to a web server that is targeted by a denial of service (DoS) attack. Our approach exploits t...
William G. Morein, Angelos Stavrou, Debra L. Cook,...