US Patent 11233788 Determining authentication assurance from historical and runtime-provided inputs

Disclosed are various embodiments for determining authentication assurance from a combination of historical and runtime-provided inputs. An authentication request associated with an account is received. A composite measure of authentication assurance is determined from a combination of a historical measure of authentication assurance and a runtime measure of authentication assurance. A response to the authentication request is generated based at least in part on the composite measure of authentication assurance.