Why is zero breach an awful way to measure a CISO's effectiveness?


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CTO in Software, 11 - 50 employees
#DetailsMatter

Was the breach material? What was the extrinsic and intrinsic cost of the breach?

Did the CISO have the support of the C-Suite and Board, or were they the scapegoat?
1
Director in Finance (non-banking), 10,001+ employees
A CISO exists to enable secure business. If the only thing that matters is preventing a breach the ciso should do everything in his or her power to prevent risk, regardless of business impact, and would be incented to hide discovery of weaknesses or compromise.
2
Senior Information Security Manager in Software, 501 - 1,000 employees
Think of going to your doctor for a regular checkup. Doctor checks your BMI; it is 20 and sends you home. That would be a terrible approach to healthcare.

To use a single indicator for overall health. So too here – the lack of a breach means nothing without context.  In addition, there are at least 20 significant other indicators that are equally  meaningful and significant.
1

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