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CCS
2007
ACM
15 years 3 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
Where do most vulnerabilities occur in software? Our Vulture tool automatically mines existing vulnerability databases and version archives to map past vulnerabilities to componen...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
Browsers’ isolation mechanisms are critical to users’ safety and privacy on the web. Achieving proper isolations, however, is very difficult. Historical data show that even fo...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
In this paper, we define and explore proofs of retrievability (PORs). A POR scheme enables an archive or back-up service (prover) to produce a concise proof that a user (verifier...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
In recent years, web applications have become tremendously popular, and nowadays they are routinely used in security-critical environments, such as medical, financial, and milita...