From an executive-level perspective, the greatest shift in cybersecurity relates to the focus and the responsibility – moving from strictly an “IT issue” to one of a business function. Look no further than the Target breach and the subsequent resignations of the company’s CEO and CIO to see how cybersecurity has escalated to the C-suite. This was unprecedented 15 years ago, when the primary cybersecurity role of IT was information assurance. So why has the philosophy changed?