WindowBox: a simple security model for the connected desktop

  • Authors:
  • Dirk Balfanz;Daniel R. Simon

  • Affiliations:
  • Department of Computer Science, Princeton, NJ and Princeton University;Microsoft Research, One Microsoft Way, Redmond, WA and Microsoft Research

  • Venue:
  • WSS'00 Proceedings of the 4th conference on USENIX Windows Systems Symposium - Volume 4
  • Year:
  • 2000

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Abstract

Breaches in computer security do not just exploit bugs in applications; they are often also the result of mismanaged protection mechanisms. The tools available to protect sensitive resources and networks are tedious to use, non-intuitive, and often require expert knowledge. As a result, many PC and workstation users end up administering their system security poorly, creating serious security vulnerabilities. This paper presents a new security model, WindowBox, which presents the user with a model in which the workstation is divided into multiple desktops. Each desktop is sealed off from the others, giving users a means to confine the possibly dangerous results of their actions. We have implemented our security model on Windows 2000, leveraging the existing desktop metaphor, the ability to switch between multiple desktops, and specific kernel security mechanisms.