233 search results - page 29 / 47 » CAPTCHA: Using Hard AI Problems for Security |
172
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ASPLOS
2009
ACM
15 years 10 months ago
2009
ACM
Software failures in server applications are a significant problem for preserving system availability. We present ASSURE, a system that introduces rescue points that recover softw...
106
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CCS
2009
ACM
15 years 4 months ago
2009
ACM
Network information distribution is a fundamental service for any anonymization network. Even though anonymization and information distribution about the network are two orthogona...
105
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IJSNET
2007
14 years 9 months ago
2007
: Robustness and security of services like localisation, routing and time synchronisation in Wireless Sensor Networks (WSNs) have been critical issues. Efficient mathematical (gra...
SAC
2009
ACM
15 years 4 months ago
2009
ACM
In a typical client-server scenario, a trusted server provides valuable services to a client, which runs remotely on an untrusted platform. Of the many security vulnerabilities th...
ICCS
2007
Springer
15 years 3 months ago
2007
Springer
We build a generic methodology based on learning and reasoning to detect specific attitudes of human agents and patterns of their interactions. Human attitudes are determined in te...