CSOs were swimming in data way before it got big across the enterprise. But the Big Data era is giving CSOs better tools to use. Orange County, Florida, has 3,000 surveillance cameras. Analytics help it know if a deer has tripped the camera, someone climbing a fence, or someone trying to siphon power from the towers. 35 percent of CISOs say they are getting more false positives, according to a recent ESG survey. CSOs have long used security information and event management (SIEM) tools to collect data.”]