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SafeSpection - a systematic customization approach for software hazard identification

: Denger, Christian; Trapp, Mario; Liggesmeyer, Peter


Harrison, M.D.:
Computer safety, reliability, and security. 27th international conference, SAFECOMP 2008 : Newcastle upon Tyne, UK, September 22-25, 2008; Proceedings
Berlin: Springer, 2008 (Lecture Notes in Computer Science 5219)
ISBN: 3-540-87697-9
ISBN: 978-3-540-87697-7
ISSN: 0302-9743
International Conference on Computer Safety, Reliability and Security (SAFECOMP) <27, 2008, Newcastle upon Tyne>
Fraunhofer IESE ()
software-intensive system; system safety; SafeSpection; Failure Mode and Effects Analysis (FMEA); Fault Tree Analysis (FTA); Hazard and Operability Analysis (HAZOP)

Software is an integral part of many technical systems and responsible for the realization of safety-critical features contained therein. Consequently, software has to be carefully considered in safety analysis efforts to ensure that it does not cause any system hazards. Safety engineering approaches borrowed from systems engineering, like Failure Mode and Effect Analysis, Fault Tree Analysis, or Hazard and Operability Studies, have been applied on software-intensive systems. However, in order to be successful, tailoring is needed to the characteristics of software and the concrete application context. Furthermore, due to the manual and expert-dependent nature of these techniques, the results are often not repeatable and address mainly syntactic issues. This paper presents the concepts of a customization framework to support the definition and implementation of project-specific software hazard identification approaches. The key-concepts of the approach, generic guide-phrases, and tailoring concepts to create objective, project-specific support to detect safety-weaknesses of software-intensive systems are introduced.