Sciweavers

INFOCOM
2012
IEEE
12 years 2 months ago
MobiShare: Flexible privacy-preserving location sharing in mobile online social networks
—Location sharing is a fundamental component of mobile online social networks (mOSNs), which also raises significant privacy concerns. The mOSNs collect a large amount of locati...
Wei Wei, Fengyuan Xu, Qun Li
ICASSP
2011
IEEE
13 years 3 months ago
Cooperative sensing in cognitive networks under malicious attack
Abstract—This paper considers cooperative sensing in cognitive networks under Spectrum Sensing Data Falsification attack (SSDF) in which malicious users can intentionally send f...
Mai Abdelhakim, Lei Zhang, Jian Ren, Tongtong Li
SOCIALCOM
2010
13 years 9 months ago
Anomaly Detection in Feedback-based Reputation Systems through Temporal and Correlation Analysis
As the value of reputation systems is widely recognized, the incentive to manipulate such systems is rapidly growing. We propose TAUCA, a scheme that identifies malicious users and...
Yuhong Liu, Yan (Lindsay) Sun
JSAC
2008
95views more  JSAC 2008»
13 years 11 months ago
Game Theoretic Modeling of Malicious Users in Collaborative Networks
If a network is to operate successfully, its users need to collaborate. Collaboration takes the form of following a network protocol and involves some resource expenditure on the p...
George Theodorakopoulos, John S. Baras
CORR
2010
Springer
140views Education» more  CORR 2010»
13 years 12 months ago
Performance Evaluation of DCA and SRC on a Single Bot Detection
: Malicious users try to compromise systems using new techniques. One of the recent techniques used by the attacker is to perform complex distributed attacks such as denial of serv...
Yousof Al-Hammadi, Uwe Aickelin, Julie Greensmith
CMS
2006
110views Communications» more  CMS 2006»
14 years 1 months ago
PPINA - A Forensic Investigation Protocol for Privacy Enhancing Technologies
Abstract. Although privacy is often seen as an essential right for internet users, the provision of anonymity can also provide the ultimate cover for malicious users. Privacy Enhan...
Giannakis Antoniou, Campbell Wilson, Dimitris Gene...
ACSAC
1998
IEEE
14 years 4 months ago
Application-Level Isolation to Cope with Malicious Database Users
System protection mechanisms such as access controls can be fooled by authorized but malicious users, masqueraders, and misfeasors. Intrusion detection techniques are therefore us...
Sushil Jajodia, Peng Liu, Catherine D. McCollum
WIDM
2005
ACM
14 years 5 months ago
Preventing shilling attacks in online recommender systems
Collaborative filtering techniques have been successfully employed in recommender systems in order to help users deal with information overload by making high quality personalize...
Paul-Alexandru Chirita, Wolfgang Nejdl, Cristian Z...
ACNS
2006
Springer
109views Cryptology» more  ACNS 2006»
14 years 5 months ago
Misusing Unstructured P2P Systems to Perform DoS Attacks: The Network That Never Forgets
Unstructured P2P systems have gained great popularity in recent years and are currently used by millions of users. One fundamental property of these systems is the lack of structu...
Elias Athanasopoulos, Kostas G. Anagnostakis, Evan...
INFOCOM
2007
IEEE
14 years 6 months ago
Malicious Users in Unstructured Networks
—Unstructured networks (like ad-hoc or peer-to-peer networks) are networks without centralized control of their operation. Users make local decisions regarding whether to follow ...
George Theodorakopoulos, John S. Baras