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DSN
2009
IEEE
14 years 3 months ago
On the effectiveness of structural detection and defense against P2P-based botnets
Recently, peer-to-peer (P2P) networks have emerged as a covert communication platform for malicious programs known as bots. As popular distributed systems, they allow bots to comm...
Duc T. Ha, Guanhua Yan, Stephan Eidenbenz, Hung Q....
PLDI
2006
ACM
14 years 3 months ago
Combining type-based analysis and model checking for finding counterexamples against non-interference
Type systems for secure information flow are useful for efficiently checking that programs have secure information flow. They are, however, conservative, so that they often rej...
Hiroshi Unno, Naoki Kobayashi, Akinori Yonezawa
SIGCOMM
2006
ACM
14 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
14 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...
CCS
2003
ACM
14 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,...