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Third International Workshop on Mathematical Methods, Models, and Architectures for Computer Network Security, MMM-ACNS 2005, St. Petersburg, Russia, September 24-28, 2005. Proceedings
Amongst the challenges of ubiquitous computing is the need to provide management support for personal wireless devices and sensors. In this extended abstract we introduce a policy-based architecture that supports management at varying levels based on the concept of a self-managed cell. Cells include policy-driven agents that support context-based and trust-based access control and system adaptation...
Today’s information assurance (IA) is no longer about keeping people out. It’s about letting people in — the right people, securely, to the right place. In modern military and commercial systems, partners, suppliers, and customers are all constantly accessing the infrastructure through the network. Once there, each needs to be taken directly to the appropriate data and resources. Secure and efficient...
Attack graphs represent known attack sequences that attackers can use to penetrate computer networks. Recently, many researchers have proposed techniques for automatically generating attack graphs for a given computer network. These techniques either use model checkers to generate attack graphs and suffer from scalability problems, or they are based on an assumption of monotonicity and are unable...
The recent proliferation of Internet worms has raised questions about defensive measures. To date most techniques proposed are passive, in-so-far as they attempt to block or slow a worm, or detect and filter it. Active defenses take the battle to the worm—trying to eliminate or isolate infected hosts, and/or automatically and actively patch susceptible but as-yet-uninfected hosts, without the knowledge...
This paper describes a novel approach for preventative protection from both known and previously unknown malicious executable codes. It does not rely on screening the code for signatures of known viruses, but instead it detects attempts of the executable code in question to self-replicate during run time. Self-replication is the common feather of most malicious codes, allowing them to maximize their...
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