Copyright © 2004 Elsevier Ltd All rights reserved.
ISRAM: information security risk analysis method
Received 24 December 2003;
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Abstract
Continuously changing nature of technological environment has been enforcing to revise the process of information security risk analysis accordingly. A number of quantitative and qualitative risk analysis methods have been proposed by researchers and vendors. The purpose of these methods is to analyze today's information security risks properly. Some of these methods are supported by a software package. In this study, a survey based quantitative approach is proposed to analyze security risks of information technologies by taking current necessities into consideration. The new method is named as Information Security Risk Analysis Method (ISRAM). Case study has shown that ISRAM yields consistent results in a reasonable time period by allowing the participation of the manager and staff of the organization.
Keywords: Information security; Risk analysis; Quantitative risk analysis; Paper-based risk analysis; Risk model
Article Outline
- Introduction
- Risk analysis methods for information security
- ISRAM: information security risk analysis method
- Risk model of ISRAM
- The method in detail
- Practice of ISRAM
- Step-1: awareness of the problem
- Step-2: listing and weighing the factors
- Step-3: converting factors into questions, designating answer choices and assigning numerical values to answer choices
- Step-4: preparation of risk tables
- Step-5: conduction of the survey
- Step-6: application of formula (2) and obtaining a single risk value
- Step-7: assessment of the results
- Verification, comparison and the results of the application
- Conclusion
- References
- Vitae






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