The number one challenge identified by Federal agencies in migrating to the cloud is expanding security measures and policies to cover cloud environments. To date, confidence is hard to find. Only 35% of Federal IT leaders believe that the security of their existing private cloud environments is excellent, and this drops to 21% for public cloud. They have similar concerns for the security of data that has to move between physical and virtual environments.
Article Link: https://blog.fortinet.com//2017/10/24/migrating-to-the-cloud-without-an-all-at-once-or-all-or-nothing-approach