Value at Risk: A Methodology for Information Security Risk Assessment

Topics:
Enterprise Risk Management
Tags:
Finance,
Information Security,
Investment,
Value At Risk
Source:
Purdue University

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Overview: This paper presents Value at Risk (VAR), a new methodology for Information Security Risk Assessment. VAR summarizes the worst loss due to a security breach over a target horizon, with a given level of confidence. More formally, VAR describes the quantile of the projected distribution of losses over a given time period. Most of the tools that are used for ISEC risk assessment are qualitative in nature and are not grounded in theory. VAR is a useful tool in the hands of an ISEC expert as it provides a theoretically based, quantitative measure of information security risk.

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Format: PDF | Size: 155KB | Date: Aug 2001 | Pages: 15

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