With the average cost of a data breach reported to be around $3.6 million, cyber attacks can be enormously damaging, making cyber security something that businesses can no longer ignore. The sophistication of hackers and cyber criminals is rising daily. At the same time, the attack surface-the number of possible entry points for criminals to breach organizations-is growing exponentially. Ultimately, there is no silver bullet to prevent attacks; cyber security is an on-going and constantly evolving challenge.