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» A Security Concept for OLAP
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SAJ
2000
129views more  SAJ 2000»
13 years 11 months ago
Conflict analysis as a means of enforcing static separation of duty requirements in workflow environments
The increasing reliance on information technology to support business processes has emphasised the need for information security mechanisms. This, however, has resulted in an ever...
Stephen Perelson, Reinhardt A. Botha
SCN
2010
Springer
163views Communications» more  SCN 2010»
13 years 9 months ago
Time-Specific Encryption
This paper introduces and explores the new concept of Time-Specific Encryption (TSE). In (Plain) TSE, a Time Server broadcasts a key at the beginning of each time unit, a Time Inst...
Kenneth G. Paterson, Elizabeth A. Quaglia
SICHERHEIT
2010
13 years 9 months ago
Quantifying the Attack Surface of a Web Application
Abstract: The attack surface of a system represents the exposure of application objects to attackers and is affected primarily by architecture and design decisions. Given otherwise...
Thomas Heumann, Sven Türpe, Jörg Keller
ACSAC
2009
IEEE
13 years 9 months ago
RoleVAT: Visual Assessment of Practical Need for Role Based Access Control
Abstract--Role based access control (RBAC) is a powerful security administration concept that can simplify permission assignment management. Migration to and maintenance of RBAC re...
Dana Zhang, Kotagiri Ramamohanarao, Steven Verstee...
EUROPKI
2009
Springer
13 years 9 months ago
ABUSE: PKI for Real-World Email Trust
Current PKI-based email systems (such as X.509 S/MIME and PGP/ MIME) potentially enable a recipient to determine a name and organizational affiliation of the sender. This informati...
Chris Masone, Sean W. Smith