IT doesn’t really know which users are on the network; IT knows very little about application traffic on the LAN. Organizations now host far more people, many of them “outsiders” just visiting, and users bringing in more and more applications all the time. IT must be able to tie traffic to user names for enforcing access policies, satisfying compliance demands, satisfying industry audits, meeting industry demands, and meeting industry audits. Organizations need these changes for the productivity gains they enable, says Gartner.”]
Source: https://www.csoonline.com/article/2123808/5-things-you-can-t-see-on-your-network.html