Title :
A cause and effect approach towards risk analysis
Author :
Pirzadeh, L. ; Jonsson, E.
Author_Institution :
Dept. of Comput. Sci. & Eng., Chalmers Univ. of Technol., Goteborg, Sweden
Abstract :
Risk analysis is critical for IT systems and for organizations and their daily operation. There are various tools and methods to analyse risk. Most approaches take risk assessment as a result of specific factors (such as threats and vulnerabilities) without investigating the impact of various types of system operation. Therefore, we suggest a causal approach toward risk analysis based on an existing security model. We start out from a current risk analysis method and improve it by taking the system operation, causal relation between the impairments, as well as latency effects into account. The approach exhibits the impact of the attack chain of impairments on system risk. We claim that the approach presented in this paper will make it possible to conduct a more refined quantitative assessment of risk.
Keywords :
information technology; organisational aspects; risk analysis; security of data; IT systems; causal approach; cause-effect approach; impairment attack chain; impairment causal relation; latency effects; organizations; risk analysis method; risk assessment; security model; system operation; Analytical models; Equations; Mathematical model; Reliability; Risk management; Security; causal chain of impairments; metrics; risk analysis; security model; security planning; system operation;
Conference_Titel :
Security Measurements and Metrics (Metrisec), 2011 Third International Workshop on
Conference_Location :
Banff, AB
Print_ISBN :
978-1-4673-1245-5
DOI :
10.1109/Metrisec.2011.20
