Authentication and Authorization of Users and Services in Dynamic Military SOA Environments

The problem of user authentication and authorization is usually being solved in a single system. Federated environment assumes heterogeneity of systems, which brings the problem of mutual users and services authentication and authorization. In this article the authors presented security requirements for cross domain information exchange in federated environments and a method of secure access to information resources on the basis of web services. Special attentionwas paid to authentication and authorization of users and services. As opportunities, there were presented solutions verified in multinational experimentations and exercises.