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Integrating functional and security requirements with use case decomposition

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2 Author(s)
Pauli, J. ; Coll. of Bus. & Inf. Syst., Dakota State Univ., Madison, SD ; Dianxiang Xu

Misuse case modeling is a viable option to depict the security requirements together with functional requirements. To investigate the interplay between functional and security requirements, this paper presents an approach to decomposing use cases, misuse cases, and mitigation use cases. We identify relationships among decomposed cases for each case type (use, misuse, mitigation use) and ensure consistency among the cases as decomposition occurs by properly modeling shared and optional cases. We also assign applicable actors to the decomposed cases. Decomposition is conducted for each case type independently and then integrated with the "threatens" and "mitigates" relationships. We provide processes for the proper use of the "threatens" relationship between misuse cases and use cases and the "mitigates" relationship between mitigation use cases and misuse cases at different levels of abstraction. Thus, a complete set of security-centric requirements can be specified from the project outset to guide subsequent software development phases

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Engineering of Complex Computer Systems, 2006. ICECCS 2006. 11th IEEE International Conference on

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