NDLI: The Use and Usefulness of Threats in Goal-Oriented Modelling

Content Provider	IEEE Xplore Digital Library
Author	Meland, P.H. Gjaere, E.A. Paul, S.
Copyright Year	2013
Description	Author affiliation: Software Eng., Safety & Security, SINTEF ICT, Trondheim, Norway (Meland, P.H.; Gjaere, E.A.) \|\| Thales Res. & Technol., Palaiseau, France (Paul, S.)
Abstract	Both goal and threat modelling are well-known activities related to high-level requirements engineering. While goals express why a system is needed, threats tell us why security for our system is needed. Still, you will often find that goals and threats are treated in separate modelling processes, perhaps not being influenced by each other at all. The research question we try to address in here is to what extent should we include threats in goal-oriented modelling? There is for instance a trade-off between expressiveness, usability and usefulness that must be considered. To improve this situation we believe that a well-defined methodology with good tool support will make the modelling process easier, and give a more useful result. In this paper we first give an overview of previous work on the use of threats within goal-modelling. We explain the use of threats within a goal-oriented socio-technical security modelling language and how tool support enables reuse of threats and automatic analysis of threat propagation in the models. This is exemplified with a case study from Air Traffic Management (ATM) from which we extract some of the the practical challenges that we have. We are able to conclude that threats provide a useful foundation and justification for the security requirements we derive from goal modelling, but this should not be considered to be a replacement for risk assessment methods. Having goals and threats before thinking of the technical solutions of a system allows us to raise awareness on situations that are not just exceptions from regular execution flow.
Starting Page	428
Ending Page	436
File Size	932120
Page Count	9
File Format	PDF
ISBN	9780769550084
DOI	10.1109/ARES.2013.57
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-02
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Analytical models reuse requirements engineering Atmospheric modeling Unified modeling language threats goal modelling ATM analysis Aircraft Computer crime Business
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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