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Model-Driven Risk Analysis

The CORAS Approach

By Mass Soldal Lund , Bjørnar Solhaug , Ketil Stølen

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As well as providing an introduction to risk analysis in general, this study looks at a particular approach known as CORAS, a model-driven method for defensive risk analysis featuring a tool-supported modelling language specially designed to model risks.

Full Description

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  • ISBN13: 978-3-6421-2322-1
  • 480 Pages
  • User Level: Science
  • Publication Date: October 20, 2010
  • Available eBook Formats: PDF
Full Description
The term “risk” is known from many fields, and we are used to references to contractual risk, economic risk, operational risk, legal risk, security risk, and so forth. We conduct risk analysis, using either offensive or defensive approaches to identify and assess risk. Offensive approaches are concerned with balancing potential gain against risk of investment loss, while defensive approaches are concerned with protecting assets that already exist. In this book, Lund, Solhaug and Stølen focus on defensive risk analysis, and more explicitly on a particular approach called CORAS. CORAS is a model-driven method for defensive risk analysis featuring a tool-supported modelling language specially designed to model risks. Their book serves as an introduction to risk analysis in general, including the central concepts and notions in risk analysis and their relations. The authors’ aim is to support risk analysts in conducting structured and stepwise risk analysis. To this end, the book is divided into three main parts. Part I of the book introduces and demonstrates the central concepts and notation used in CORAS, and is largely example-driven. Part II gives a thorough description of the CORAS method and modelling language. After having completed this part of the book, the reader should know enough to use the method in practice. Finally, Part III addresses issues that require special attention and treatment, but still are often encountered in real-life risk analysis and for which CORAS offers helpful advice and assistance. This part also includes a short presentation of the CORAS tool support. The main target groups of the book are IT practitioners and students at graduate or undergraduate level. They will appreciate a concise introduction into the emerging field of risk analysis, supported by a sound methodology, and completed with numerous examples and detailed guidelines.
Table of Contents

Table of Contents

  1. Part I: Introductory Overview 1) Introduction
  2. 2) Background and Related Work
  3. 3) A Guided Tour to the CORAS Method Part II: Core Approach 4) The CORAS Risk Modeling Language
  4. 5) Preparations for the Analysis
  5. 6) Customer Presentation of Target
  6. 7) Refining the Target Description Using Asset Diagrams
  7. 8) Approval of Target Description
  8. 9) Risk Identification Using Threa Diagrams
  9. 10) Risk Estimation Using Risk Diagrams
  10. 11) Risk Evaluation Using Risk Evaluation Diagrams
  11. 12) Risk Treatment Using Treatment Diagrams Part III: Selected Issues 13) Analysing Likelihood Using CORAS Diagrams
  12. 14) The High
  13. Level CORAS Language
  14. 15) Using CORAS to Support Change Management
  15. 16) The Dependent CORAS Language
  16. 17) Using CORAS to Analyse Legal Aspects
  17. 18) The CORAS Tool Part IV: Appendices A) CORAS Language Grammar
  18. B) CORAS Language Semantics
  19. C) CORAS Guidelines

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