Universal 2nd Factor (U2F) (noun)

An open standard for hardware authentication tokens that use the universal serial bus, or USB, near-field communications, or NFCs, or Bluetooth to communicate one factor in a two-factor authentication exchange. Cyberwire Glossary link: https://thecyberwire.com/glossary/u2f Audio reference link: “Rise of the Machines: A Cybernetic History,” by Thomas Rid, Published by W. W. Norton Company, 21 November 2017. Learn more about your ad choices. Visit megaphone.fm/adchoices