Using Recommenders for Discretionary Access Control

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Executive Summary

Enterprises increasingly subscribe to Software as a Service (SaaS) applications for collaboration. In the past, enterprise organizational boundaries have been key to the controls on sharing, providing both a social and technical boundary that can slow or stop potentially inappropriate sharing. However, SaaS collaboration technology is often used to across enterprise boundaries. One of the key security concerns with this migration of in-enterprise, on-premises applications to application clouds is that of information flow across enterprise boundaries and specifically how this may be monitored and controlled.

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