Security policies in distributed CSCW and workflow systems

Tanvir Ahmed, Anand R. Tripathi

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


In this paper, multiuser collaboration systems are categorized into two groupscomputer-supported cooperative work (CSCW) and workflow systemsbased on a historic perspective of their introduction and on their emphasis on user- or process-centric interactions. The goal of the survey is to identify distinct security requirementsrelated to availability, integrity, confidentiality and privacy, and access leakageof these systems. Existing role-based security models and their limitations to express security policies in distributed CSCW and workflow systems are presented. Last, we present an overview of a framework that we have developed to specify, verify, and enforce security policies in distributed CSCW systems.

Original languageEnglish (US)
Article number5464271
Pages (from-to)1220-1231
Number of pages12
JournalIEEE Transactions on Systems, Man, and Cybernetics Part A:Systems and Humans
Issue number6
StatePublished - Nov 1 2010


  • Computer-supported cooperative work (CSCW)
  • Web services
  • groupware
  • role-based access control (RBAC)
  • security models
  • security-policy specification and verification
  • workflow

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