Fritsch, LotharMomen, NurulFritsch, LotharRoßnagel, HeikoHühnlein, Detlef2017-08-282017-08-282017978-3-88579-671-8This article presents a model of partial identities derived from app permissions that is based on Pfitzmann and Hansen’s terminology for privacy [PH10]. The article first shows how app permissions accommodate the accumulation of identity attributes for partial digital identities by building a model for identity attribute retrieval through permissions. Then, it presents an experimental survey of partial identity access for selected app groups. By applying the identity attribute retrieval model on the permission access log from the experiment, we show how apps’ permission usage is providing to identity profiling.enIdentity managementPartial IdentityAccess ControlAppsPermissionsPrivacyData Protection1617-5468