<P> User - Managed Access (UMA) is an OAuth - based access management protocol standard . Version 1.0 of the standard was approved by the Kantara Initiative on March 23, 2015 . </P> <P> As described by the charter of the group that developed UMA, the purpose of the protocol specifications is to "enable a resource owner to control the authorization of data sharing and other protected - resource access made between online services on the owner's behalf or with the owner's authorization by an autonomous requesting party". This purpose has privacy and consent implications for web applications and the Internet of Things (IoT), as explored by the collection of case studies contributed by participants in the standards group . </P>

User-managed access (uma) profile of oauth 2.0