Common Approaches To Analysing Security Risk
Some security professionals define security according to one of the following formulas.
Risk = Threat × Harm
Risk = Consequence × Threat × Vulnerability
Risk = Consequence × Likelihood
Risk = Consequence × Likelihood × Vulnerability
However, Jeff Lowder has argued that the Risk = Consequence x Threat x Vulnerability is "mathematical nonsense."
Factor Analysis of Information Risk deeply analyze different risk factors and measure security risk.
There are a number of methodologies to analyse and manage security risk: see Category:Risk analysis methodologies
Usually after a cost benefit analysis a countermeasure is set to decrease the likelihood or the consequence of the threat. Security service is the name of countermeasure while transmitting the information.
Read more about this topic: Security Risk
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