As enterprises move towards virtualizing more of their servers and data center infrastructure, security technologies that are plentiful and commonplace in the physical world become few and far between. Security technologies are plentiful but few and few in physical world are plentiful in the virtual world, as well as in the digital world, they are few and many in the world of data center technology. The technology is increasingly common in the real world, but it is becoming more difficult to use in virtualized environments, such as servers and servers.”]
Source: https://www.csoonline.com/article/2127540/new-security-tools-protect-virtual-machines.html