1. A key service engine for facilitating remote key management services in a collaborative cloud-based environment, the key service engine comprising: a processor; a key service proxy device configured to initiate a remote key request responsive to a determination that a data item indicated by a content request is associated with remote key management functionality, wherein the remote key request includes a reason code enumerating a reason associated with the content request; a reason engine configured to direct the processor to process the content request to identify the reason associated with the content request and responsively generate the corresponding reason code.