"Collaborative work that spans multiple organizations requires granting access to business-critical resources. To do so, the organization needs to know what resources need to be accessed by whom and why and what will be done with those resources. In his Column this month, Keith Harrison-broninski proposes Role-Based Access Control (RBAC) as a solution to this problem. Read Keiths Column for details on how this program addresses the critical security issues involved in sharing business information."