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Re: Is there any way to measure IT Security??

Subject: Re: Is there any way to measure IT Security??
Date: Sat, 13 Aug 2005 16:21:00 -0400

On Jul 28, 2005, at 7:56 PM, Fernando Martins wrote:

The technique must be risk analysis, considering the actual risks, vulnerabilities and loss costs estimation.
If you want to measure, you must reduce everything to numbers. Start with the loss costs for your confidentiality, integrity and availability...
Identify the vulnerabilities and the probability of a specific accident ...
Define levels of security and the types of possible enemies ...
At the end you will get 2/3 charts that have the measure of your security ...

You are suggesting that it is possible to identify:

1) The costs associated with a future breach (including the effect on intangible assets such as customer goodwill).
2) The true picture of vulnerability within an environment.
3) The probability that an attack will occur.


And, 4)  A way to map those metrics to the CIA triad.

I'm interested to know how, exactly.

 - A

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