Cloud Access Security Brokers (CASB) are cloud accommodated software that perform as a control point to protect cloud services. It provides a range of capabilities including encryption, auditing, data loss prevention (DLP), and access control & anomaly detection. It is a visibility and control point located between employees of an organization and the cloud services or applications like SaaS that posses box, dropbox, google drive, office 365, sales force, workday, etc.