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CCS
2007
ACM
16 years 18 days ago
Polyglot: automatic extraction of protocol message format using dynamic binary analysis
Protocol reverse engineering, the process of extracting the application-level protocol used by an implementation, without access to the protocol specification, is important for m...
Juan Caballero, Heng Yin, Zhenkai Liang, Dawn Xiao...
SACMAT
2006
ACM
16 years 11 days ago
Fine-grained role-based delegation in presence of the hybrid role hierarchy
Delegation of authority is an important process that needs to be captured by any access control model. In role-based access control models, delegation of authority involves delega...
James B. D. Joshi, Elisa Bertino
WOWMOM
2006
ACM
110views Multimedia» more  WOWMOM 2006»
16 years 11 days ago
Entrapping Adversaries for Source Protection in Sensor Networks
Sensor networks are used in a variety of application areas for diverse problems from habitat monitoring to military tracking. Whenever they are used to monitor sensitive objects, ...
Yi Ouyang, Zhengyi Le, Guanling Chen, James Ford, ...
SP
2005
IEEE
156views Security Privacy» more  SP 2005»
16 years 1 hour ago
Distributed Detection of Node Replication Attacks in Sensor Networks
The low-cost, off-the-shelf hardware components in unshielded sensor-network nodes leave them vulnerable to compromise. With little effort, an adversary may capture nodes, analyze...
Bryan Parno, Adrian Perrig, Virgil D. Gligor
SAC
2005
ACM
15 years 12 months ago
An attribute-based access matrix model
In traditional access control models like MAC, DAC, and RBAC, authorization decisions are determined according to identities of subjects and objects, which are authenticated by a ...
Xinwen Zhang, Yingjiu Li, Divya Nalla