1. A method for execution by one or more processing modules of one or more computing devices of a dispersed storage network (DSN), the method comprises: receiving a data access request for at least one data segment stored in the DSN; selecting one of a plurality of identity units based on the data access request; determining, via the selected one of the plurality of identity units, whether to allow the data access request; processing the data access request, when the data access request is allowed via the selected one of the plurality of identity units.