Conclusion
Authorization complements authentication to form the basis for access control. In many ways, authorization is the focal point around which the enterprise identity management infrastructure revolves.
The pressures to expand authorization systems to cover more and more fine-grained resources in the enterprise is a natural outgrowth of the drive to align IT systems more fully with business purposes. These pressures lead to extremes in system complexity, however, unless they are managed and thought through carefully. The final section of this book will help you develop a strategy that will allow you to derive the most value from your identity management investment.
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