ENTERPRISE CLOUD ACCESS CONTROL AND NETWORK ACCESS CONTROL POLICY USING RISK BASED BLOCKING

A cloud access control server and method provides a cloud service access control database to implement cloud services access control policy. The cloud service access control database stores thereon cloud service identifiers associated with cloud service providers having high risk scores. In some embodiments, the cloud service identifiers form a block list of cloud services which is provided to network device of the enterprise data network to implement cloud service access control. In other embodiments, a cloud access control server and method implements cloud services access control policy for an enterprise. The cloud access control server and method receives network traffic data from the installed firewall or proxy at the enterprise and process the network traffic data with respect to cloud service access. The cloud access control server provides instructions to the firewall or proxy to allow or deny the network access at the enterprise.