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Larger organizations invest enormous effort and resources into the management of all systems and applications they have. This is especially true for all access-controll where one can savely assume that per 500 empoyees the organization needs one full-time support person just for access controll management.
It is well known that large organisations are unable to effectively erase employees from all systems when these employees leave the organization.

The search is on for years already to solutions which reduce this enormous overhead. The SIRB is able to solve, quite elegantly, the access controll problems for large organizations

1. The SIRB core serves as the central switching unit between users and applications
2. Each application maintains its own data repository which connects the user the application specific userID for this user and the application specific password.
3. The user wants to access an application and formulates a request for access to the SIRB
4. The user signs (approves) this request so that the application knows which user requests access
5. The SIRB verifies with the HR data repository if there are any restrictions
6. The applications data repository presents the userID and password to the SIRB which passes it on to the user
7. The user logs in to the application.

If a user leaves the organization the HR department removes the user from its data repository. It may also create an update request to the SIRB, which is passed on to all data repositories where the user has an entry.