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Category Archives: Security Metrics

PCI DSS Position on Patching May Be Unjustified

– Verizon Business recently posted an excellent article on their blog about security patching. As someone who just read The New School of Information Security (an important book that all information security professionals should read), I thought it was refreshing to see someone take an…

A Return to ROSI: The Economics of Security

– It has been interesting to observe that two posts on ROSI (return on security investment) have been on this web site’s most popular list for more than a month. And it is further of interest in that the two posts take somewhat opposing views, which is actually quite representative of the…

Metrics Revisited – Application Security Metrics

– I have recently been giving some thought to, and doing some research into, application security metrics, and I have determined, quite simply, that there aren’t any good ones. “How ridiculous!” you say, “We have two dozen application security metrics, which we report in…

Metrics: A Measure of Security

– Everyone seems to be measuring security. After all, the common mantra is “You can’t manage what you can’t measure.” And security cries out to be managed. But which are useful security metrics? Are we investing appropriately in the measurement of various aspects of security? I think that…

Intel ROSI Paper: Sets Practical Guidelines and Proper Expectations

– Late last year I read Matthew Rosenquist’s paper, Measuring the Return on IT Security Investments, over at Intel. I’m glad I have a few minutes to write about it. The premise for the paper is simple: the implementation of a security measure (control) should result in a decrease in the…