By 2020, 85% of large enterprises will use cloud access security broker (CASB) systems to monitor security. CASB is an intermediary to give businesses a single console approach to providing consistent security and policy management across the hundreds, and even thousands, of unique cloud services an enterprise is using. The need for CASB to provide visibility, compliance, data security, and threat protection has grown as IT functions move off-premise and security leaders need more granular visibility, policy management. The newness of the cloud has proven a constraint to the evolution of CASB.”]
Source: https://www.darkreading.com/cloud/security-in-the-cloud-pitfalls-and-potential-of-casb-systems