olemus
sõltub kontekstist

(1) ISO/TS 22600, ISO/IEC 27040:
autentimine krüptograafiliste mitmeteguriliste mandaatidega
= authentication by means of cryptographically derived multi-factor credentials

(2) = multiautentimine

(3) igasugune autentimine, mis ei nõua parooli edastust
= any authentication that does not require password transfer

ülevaateid
https://www.techopedia.com/definition/23939/strong-authentication

https://en.wikipedia.org/wiki/Strong_authentication

https://www.cisa.gov/sites/default/files/publications/CISA_CEG_Implementing_Strong_Authentication_508_1.pdf

https://openauthentication.org/wp-content/uploads/2015/09/AnIndustryRoadmapforOpenStrongAuthentication.pdf