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» Effect of Malicious Synchronization
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WSNA
2003
ACM
15 years 11 months ago
Asymptotically optimal time synchronization in dense sensor networks
We consider the problem of synchronization of all clocks in a sensor network, in the regime of asymptotically high node densities. We formulate this problem as one in which all cl...
An-Swol Hu, Sergio D. Servetto
WWW
2002
ACM
16 years 6 months ago
Flash crowds and denial of service attacks: characterization and implications for CDNs and web sites
The paper studies two types of events that often overload Web sites to a point when their services are degraded or disrupted entirely - flash events (FEs) and denial of service at...
Jaeyeon Jung, Balachander Krishnamurthy, Michael R...
SUTC
2006
IEEE
15 years 12 months ago
An Authentication Service Based on Trust and Clustering in Wireless Ad Hoc Networks: Description and Security Evaluation
Security in wireless ad hoc networks is hard to achieve due to the vulnerability of its links, limited physical protection, and the absence of a centralized management point. Cons...
Edith C. H. Ngai, Michael R. Lyu
ACSAC
2005
IEEE
15 years 11 months ago
Defensive Execution of Transactional Processes against Attacks
It is a well known problem that the attack recovery of a self-healing system rolls back not only malicious transactions, but also legitimate transactions that are dependent on the...
Meng Yu, Wanyu Zang, Peng Liu
DSN
2005
IEEE
15 years 11 months ago
LITEWORP: A Lightweight Countermeasure for the Wormhole Attack in Multihop Wireless Networks
In multihop wireless systems, such as ad-hoc and sensor networks, the need for cooperation among nodes to relay each other’s packets exposes them to a wide range of security att...
Issa Khalil, Saurabh Bagchi, Ness B. Shroff