Controlled query evaluation for enforcing confidentiality in complete information systems

  title={Controlled query evaluation for enforcing confidentiality in complete information systems},
  author={Joachim Biskup and Piero A. Bonatti},
  journal={International Journal of Information Security},
An important goal of security in information systems is confidentiality. A confidentiality policy specifies which users should be forbidden to acquire what kind of information. A controlled query evaluation should enforce such a policy even if users are able to reason about a priori knowledge and the answers to previous queries. The following aspects are considered: formal models of confidentiality policies based on potential secrets or secrecies, user awareness of the policy instance, and… CONTINUE READING
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