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Mashups are a new breed of interactive web applications that aggregate and stitch together data retrieved from one or more sources to create an entirely new and innovative set of services. The paradigm is not limited to social networks and many enterprises are redesigning their business processes to create interactive systems in the form of mashups. However, protecting users' private data from unauthorized...
Service-oriented Architectures deliver a flexible infrastructure to allow independently developed software components to communicate in a seamless manner. In the scope of organisational workflows, SOA provides a suitable foundation to execute business processes as an orchestration of multiple independent services. Along with the increased connectivity, the corresponding security risks rise exponentially...
The success of service-oriented architectures (SOAs) and the Web Service technology in fulfilling the business's needs for inter-enterprise processes led to new challenges for security management in federated environments. Because of the predominant aspect of loose coupling in a SOA the issue of where to locate the processes of authentication and authorization, forming together the access control,...
Service oriented architecture is being commonly used in systems integration, including command and control applications, providing many advantages. But the blind adoption of SOA brings together other concerns, especially when applying an access control mechanism. This paper reviews commonly adopted concepts used in access control in the context of SOA environments and considers some access control...
Hidden functionality in software is a big problem, because we cannot be sure that the software does not contain malicious code. We conducted an experiment where we studied the relationship between architecture constructs, dynamic behavior and security vulnerabilities. We also studied to what extent architecture analysis tools can assist in detecting security vulnerabilities that are caused by architecture...
The UNICORE grid system provides a seamless, secure and intuitive access to distributed grid resources. In recent years, UNICORE 5 is used as a well-tested grid middleware system in production grids (e.g. DEISA, D-Grid) and at many supercomputer centers world-wide. Beyond this production usage, UNICORE serves as a solid basis in many European and International research projects and business scenarios...
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