Among other things, an aspect includes a data storage system associated with a provider entity and storing data on behalf of a client entity, the data being accessible from the data storage system by the client entity, a data interface enabling access by the provider entity to the data of the data storage system, and an analysis engine maintained by the provider entity to, at times determined by the analysis engine, access the data using the data interface, analyze the data, and generate results of the analysis for use by the client entity.