Level of assurance

A level of assurance is:


 * 1) "[t]he degree of confidence in the vetting process used to establish the identity of the individual(s) or device(s) participating in the transaction."
 * 2) "[t]he degree of confidence that the individual who uses the credential is, in fact, the individual to whom the credential was issued."

Source
The White House, (Draft) National Strategy for Trusted Identities in Cyberspace: Creating Options for Enhanced Online Security and Privacy 33 (June 25, 2010).