US Patent 11550781 Identification of data in distributed environments

Systems and methods include requesting, from a first application system, of a first one or more combinations of search parameters for identifying a data subject identifier of the first application system, transmission of a first query to the first application system including values of search parameters of a first one of the first one or more combinations of search parameters, the values associated with a first data subject, reception of a first data subject identifier of the first application system in response to the first query, transmission of a second query to the first application system including the first data subject identifier, and reception of data of the first application system associated with the first data subject identifier in response to the second query.