Many network security threats today are spread over the internet, making it imperative to monitor and prevent unauthorized access, misuse, modification, or denial of a computer network and other network-accessible resources. Many businesses have been securing themselves over the internet through firewalls and encryption mechanisms; however network security is now undergoing a transformational stage with the advent of cloud computing and rapid penetration of mobile devices. In this report, we have analyzed the technological landscape of this impactful technology from the perspective of Intellectual Property (Patents).