This document discusses the importance of security metrics for measuring performance. It states that security programs will be measured with or without metrics, so having metrics is good management. It explains that security functions have historically been disconnected from core businesses, but with increased risks, corporations now require security organizations to measure performance and demonstrate contribution to the bottom line through metrics. Finally, it recommends that the Chief Security Officer have a dashboard of around half a dozen key metrics that are regularly monitored, such as issues relevant to their industry or concerns of management.