Security teams need to find a way to let employees move data around while still protecting digital assets like IP and customer data. A lot of risky behaviors live in a grey space that could easily be malicious, innocent or even unintentional. Computers are uniquely capable of coping with and summarizing large amounts of data. Technology can also detect things that humans cannot, such as the volume of files a person sends from an email account, file access patterns or how data flows within a network.
Source: https://threatpost.com/embracing-the-cybersecurity-grey-space/138966/