From Forbes:

The modern practice of cyber-security is now powered by data analysis. As a result, the quality of security will be determined by the volume and quality of the data collected about your environment, and the ability to uncover threats…There are now a huge number of choices of technology that can be the eyes and ears of your cyber security portfolio. So many of these options are appearing that CIOs and CSOs will clearly have to choose among them. The question I will address in this article is: How can you choose the right eyes and ears that will help make your company safer?