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- W2189102747 abstract "Computing systems are always evolving in order to keep pace with the requirements that are posed by new computing environments. The widespread of networking technologies transformed the standalone computer model into the client-server computer model. Social trends as frequent traveling and social networking, led to the creation of small-sized computing devices that are equipped with sensors to recognize their surrounding environment and adapt accordingly their operations. Therefore, novel computing modes are emerged, as ubiquitous computing and the Internet of Things. The aforementioned type of systems set new requirements in several areas, including also the area of security. Security is an area of great importance in all computing systems. From a computer security, and particularly from an access control point of view the evolution of computing systems induces the creation of Open and Dynamic Computing Environments (ODCE). They are characterized as open since there are no boundaries between the legitimate and illegal users of a system. And dynamic since the configuration of these systems is constantly changing. Despite the importance of access control in ODCE there are a few proposals that addressed their analysis and identification of new requirements. Therefore, also existing access control modes are not able to fully support these requirements. In this dissertation, we analyze existing access and usage control approaches to identify a number of unique characteristics posed by ODCE. Secondly, we formally define an attribute based usage control model for ODCE that is designed based on the identified requirements. Last but not least, we check the proposed model for its correctness, i.e., the adherence of" @default.
- W2189102747 created "2016-06-24" @default.
- W2189102747 creator A5006336670 @default.
- W2189102747 date "2014-01-01" @default.
- W2189102747 modified "2023-09-27" @default.
- W2189102747 title "Specificating and Verifying an Attribute-based Usage Control Approach regarding Open and Dynamic Computing Environments" @default.
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