Keystone is the most sophisticated fine-grain authorization and access control solution on the market today.
Keystone's unique approach removes hard-coded authorization logic from applications of any kind, including web services. Keystone is able to enhance existing investments in IAM infrastructure (web access management, provisioning, role management, identity administration) through plug-in integration architecture.
Download the Keystone – IAM Technology Innovation white paper to get an overview on how the Keystone product works.