The corporate perimeter has become increasingly porous and difficult to define. New threat vectors that have grown out of businesses’ growing use of and dependency on Web applications, social media, cloud computing, virtualization, wireless networks and mobile devices. Smart CSOs are bolstering this first line of defense with technologies such as NGFWs and Web application firewalls. Experts advise CSOs to take a defense-in-depth approach that deploys multiple layers of security, so that malware and other threats that slip by the first line get caught by the second or third.”]
Source: https://www.csoonline.com/article/2131955/the-new-perimeter.html