Disclosed embodiments relate to uniquely identifying and validating identities based on electronic file fingerprints. Techniques include identifying an identity associated with a computing device; accessing fingerprinting data associated with an electronic file stored on or transmitted from the computing device; generating, based on a diversity of different properties of the fingerprinting data, a profile for the electronic file; accessing a repository storing profiles corresponding to a plurality of identities; comparing the generated profile with one or more of the stored profiles; determining whether the generated profile matches a stored profile, from the repository of stored profiles, associated with the identity; and validating, conditional on the matching, the identity.