Authorization management is becoming increasingly popular. But there are, in fact, two very different approaches:
- Static authorization management, where changes are provisioned to the target systems.
- Dynamic authorization management, where authorization decisions are externalized to authorization engines at runtime.
Whilst static authorization management is provided by provisioning systems (at the more technical level) and by several GRC vendors (from a business control perspective), vendors of solutions for dynamic authorization management are still relatively rare and, besides this, in most cases relatively small. Besides Oracle with their Entitlements Server and, to some degree, CA with their Embedded Entitlements Manager, vendors include companies like Bitkoo or Engiweb, to name some of the two which are particularly interesting. And, for sure, Microsoft's approach for claims leads in that direction - but at least in the current approach, authorization decisions aren't externalized yet.
From my perspective, externalizing these decisions from applications definitely makes sense. Policies can be managed centrally, changes are effective immediately, and application developers don't have to think much about security. They just rely on external decisions. In fact, things are moved from coding not only to deployment, but to runtime.
There are three challenges:
- The authorization engines have to be fast
- They have to be integratable with other IAM/GRC tools for a consistent management
- The applications have to be adopted to a specific solution
From my perspective, companies should start looking at these approaches today and really start externalizing security out of the code.
By the way: We've given our European Identity Award in the category best innovation in 2008 to some of the vendors mentioned above. Attend European Identity Conference 2009 and learn, amongst many other things, who will be awarded as innovator this year.
The need for standards
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