US Patent 11405423 Metadata-based data loss prevention (DLP) for cloud resources

The technology disclosed proposes a metadata-based solution to prevent malicious data egress resulting from resource-level transactions. In advance of the data egress requests, the technology disclosed crawls an organization's accounts on different cloud storage services and makes a resource list of different cloud-based resources configured under the organization's accounts. The resource list is then stored in a metadata store. When an inline proxy receives a resource-level transaction that is requesting to move a cloud-based resource outside the organization's account, the proxy looks up the metadata store and determines whether the resource-level transaction is attempting to manipulate any of the cloud-based resources listed in the resource list. If so, then the proxy blocks the resource-level transaction.