IT initiatives like server virtualization, cloud computing, NFV, and SDN are game changers poised to break the tight coupling between cybersecurity and the network. ESG research reveals that 60% of organizations say they are still learning how to apply network security policies (and policy enforcement) to public/private cloud infrastructure. In order to get there, CIOs, CISOs, and network engineers must understand that there may be a network security rainbow on the horizon. For example: SDN, SDV, virtual network security tools like Cisco ACI and Cisco NSX.”]
Source: https://www.csoonline.com/article/2923213/security-is-a-prisoner-of-the-network.html