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One big problem with existing methods for estimating breach impact is the lack of credibility and reliability of the evidence behind the numbers. This is especially true if the breach is recent or if most of the information is not available publicly.  What if we had solid evidence to use in breach impact estimation?  This…

Read More Indicators of Impact — Ground Truth for Breach Impact Estimation

I’m a big fan of learning from our experiences around breaches. Claims like “your stock will fall”, or “your customers will flee” are shown to be false by statistical analysis, and I expect we’d see the same if we looked at people losing their jobs over breaches. (We could do this, for example, via LinkedIn…

Read More Your career is over after a breach? Another Myth, Busted!

I’ve never been a fan of checklists. Too often, checklists replace thinking and consideration. In the book, Andrew and I wrote: CardSystems had the required security certification, but its security was compromised, so where did things goo wrong? Frameworks such as PCI are built around checklists. Checklists compress complex issues into a list of simple…

Read More Checklists and Information Security