4511 search results - page 685 / 903 » Observation Based System Security |
122
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SIGCOMM
2009
ACM
15 years 10 months ago
2009
ACM
In this paper, we study the impact of today’s IT policies, defined based upon a monoculture approach, on the performance of endhost anomaly detectors. This approach leads to th...
146
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SP
2008
IEEE
15 years 10 months ago
2008
IEEE
Decentralized distributed systems such as peer-to-peer systems are particularly vulnerable to sybil attacks, where a malicious user pretends to have multiple identities (called sy...
107
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EUROPKI
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. A substantial number of micropayment schemes in the literature are based on distributing the cost of a digital signature over several successive micropayments (e.g. Paywo...
141
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DIMVA
2006
15 years 5 months ago
2006
Wireless devices that integrate the functionality of PDAs and cell phones are becoming commonplace, making different types of network services available to mobile applications. How...
141
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ICIP
1999
IEEE
16 years 5 months ago
1999
IEEE
The performance of a content based image retrieval (CBIR) system is inherently constrained by the features adopted to represent the images in the database. In this paper, a new ap...