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CCS
2003
ACM
15 years 11 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,...
CCS
2007
ACM
15 years 10 months ago
Highly efficient techniques for network forensics
Given a history of packet transmissions and an excerpt of a possible packet payload, the payload attribution problem requires the identification of sources, destinations and the t...
Miroslav Ponec, Paul Giura, Hervé Brön...
ACSC
2004
IEEE
15 years 10 months ago
Kerberos Assisted Authentication in Mobile Ad-hoc Networks
An ad-hoc network comprises mobile nodes that cooperate with each other using wireless connections to route both data and control packets within the network. As the low transmissi...
Asad Amir Pirzada, Chris McDonald
CCS
2008
ACM
15 years 8 months ago
HMAC is a randomness extractor and applications to TLS
In this paper, we study the security of a practical randomness extractor and its application in the tls standard. Randomness extraction is the first stage of key derivation functi...
Pierre-Alain Fouque, David Pointcheval, Séb...
CCS
2008
ACM
15 years 8 months ago
Code injection attacks on harvard-architecture devices
Harvard architecture CPU design is common in the embedded world. Examples of Harvard-based architecture devices are the Mica family of wireless sensors. Mica motes have limited me...
Aurélien Francillon, Claude Castelluccia