A Cloud Access Security Broker (CASB) solution can optimise visibility across an organisation, by monitoring all user activity within cloud applications (company-approved and shadow apps) and enforce both internal policies and external compliance requirements. A CASB solution should additionally be adopted as part of a wider SIM/SIEM solution for the ultimate in forward-looking, secure data collection, monitoring, and consolidation. Many CASB solutions are designed with compliance in mind. They provide granular visibility and control over user interaction with cloud applications and broad audit trails of such user activity. They tend to operate as a system that is partly a filter, proxy and firewall between the users and cloud systems. They have capabilities to detect unsanctioned cloud applications, as well as sensitive data in transit. Organisations can use CASB to address specific use cases with their cloud providers and are perfect for centralised control, management and ease of use.
With so much going on in the cloud as businesses strive to provide increased levels of remote access, there is the potential for data leakage in the cloud. Using CASB gives organisations the power to maintain visibility over data that has gone beyond the reach of on-premises tools. Detailed logs on all cloud transactions (logins, uploads, or downloads) are always recorded and app-specific behaviours are also logged, helping organisations know the whereabouts of data if it is shared.