With the proliferation of personal devices in the workplace and the use of cloud services for collaboration, business has spread far wider than the traditional boundary of the corporate firewall. “Once it moves onto a laptop or personal device, even a corporate device or thumb drive, the business can no longer trust that a copy has been made” “It’s not that such things are impossible, but there are so many other little ways to improve the situation that aren’t as expensive,” says Williams. “When you move to cloud computing, there are good processes and technologies to give companies a better handle to account for and protect their sensitive data,” he says.”]
Source: https://www.darkreading.com/cloud/taming-data-before-it-escapes-to-the-wild