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CCS
2006
ACM
15 years 10 months ago
Beyond separation of duty: an algebra for specifying high-level security policies
A high-level security policy states an overall requirement for a sensitive task. One example of a high-level security policy is a separation of duty policy, which requires a sensi...
Ninghui Li, Qihua Wang
KDD
2009
ACM
168views Data Mining» more  KDD 2009»
16 years 1 months ago
CAPTCHA-based image labeling on the Soylent Grid
We introduce an open labeling platform for Computer Vision researchers based on Captchas, creating as a byproduct labeled image data sets while supporting web security. For the tw...
Peter Faymonville, Kai Wang, John Miller, Serge J....
CCS
1993
ACM
15 years 10 months ago
Why Cryptosystems Fail
Designers of cryptographic systems are at a disadvantage to most other engineers, in that information on how their systems fail is hard to get: their major users have traditionall...
Ross J. Anderson
IADIS
2003
15 years 7 months ago
Integrating RBAC Mechanisms in a Web Server
Hypermedia systems (whether web sites or not) should support multilevel policiesm, offering different views and manipulation abilities of the same information to users with differ...
Daniel Sanz-García, Paloma Díaz, Ign...
CCR
2000
78views more  CCR 2000»
15 years 6 months ago
Some guidelines for non-repudiation protocols
Non-repudiation protocols aim at preventing parties in a communication from falsely denying having taken part in that communication; for example, a non-repudiation protocol for di...
Panagiotis Louridas