Definition of authenticator in US English:



  • See authenticate

    • ‘Users should keep their security authenticators, whether these are just passwords, a list of one-time passwords, hardware tokens, or the PINs to unlock these tokens, private, and protect them from potential abuse.’
    • ‘They sell a sound authenticator for credit cards.’
    • ‘A team of independent authenticators comprising qualified magicians and local personalities had a close watch and he was allowed to take 15-minute break once in eight hours.’
    • ‘Her confidential source was not reliable and her authenticators were unable to authenticate the documents.’
    • ‘The most widely used authenticator, particularly by the financial sector, is called a Message Authentication Code.’