Universal 2nd Factor

A U2F Security Key by Yubico
FIDO certified U2F identity credential with USB interface

Universal 2nd Factor (U2F) is an open authentication standard that strengthens and simplifies two-factor authentication using specialized USB or NFC devices based on similar security technology found in smart cards.[1][2][3][4][5] While initially developed by Google and Yubico, with contribution from NXP Semiconductors, the standard is now hosted by the FIDO Alliance.[6][7]

U2F Security Keys are supported by Google Chrome since version 40[2] and Opera since version 40. U2F security keys can be used as an additional method of two-step verification on online services that support the U2F protocol, including Google,[2] Dropbox,[8] GitHub,[9] GitLab,[10] Bitbucket,[11] Nextcloud,[12] Facebook[13] and others.[14]

Chrome and Opera are currently the only browsers supporting U2F natively. Microsoft is working on FIDO 2.0 support for Windows 10[15] and the Edge[16] browser, but has not announced any plans to include U2F support. Mozilla is integrating it into Firefox, and support can currently be enabled through an addon.[17][18]

References

  1. ↑ Turner, Adam (November 5, 2014). "Google security keys may offer extra layer of online protection". The Sydney Morning Herald. Fairfax Media. Retrieved November 28, 2014.
  2. 1 2 3 "Using Security Key for 2-Step Verification". Google Inc. Retrieved November 28, 2014.
  3. ↑ Bradley, Tony (October 21, 2014). "How a USB key drive could remove the hassles from two-factor authentication". PCWorld. IDG Consumer & SMB. Retrieved November 28, 2014.
  4. ↑ "FIDO Universal 2nd Factor". Yubico AB. Retrieved November 28, 2014.
  5. ↑ Diallo, Amadou (November 30, 2013). "Google Wants To Make Your Passwords Obsolete". Forbes. Forbes.com LLC. Retrieved November 28, 2014.
  6. ↑ "FIDO Alliance – download specifications". FIDO Alliance. Retrieved October 13, 2015.
  7. ↑ Krebs, Brian (October 14, 2014). "Google Accounts Now Support Security Keys". Krebs on Security. Retrieved November 28, 2014.
  8. ↑ Heim, Patrick; Patel, Jay (August 12, 2015). "Introducing U2F support for secure authentication". Dropbox Blog. Retrieved August 12, 2015.
  9. ↑ Olsen, Risk (October 1, 2015). "GitHub supports Universal 2nd Factor authentication". github.com/blog. GitHub. Retrieved October 1, 2015.
  10. ↑ Nwaigwe, Amara (June 22, 2016). "Support for Universal 2nd Factor Authentication". GitLab Blog. Retrieved July 9, 2016.
  11. ↑ Kells, TJ (June 22, 2016). "Universal 2nd Factor (U2F) now supported in Bitbucket Cloud". Bitbucket Blog. Retrieved June 22, 2016.
  12. ↑ "Nextcloud 11 sets new standard for security and scalability". Nextcloud. Retrieved 23 December 2016.
  13. ↑ "Security Key for safer logins with a touch". Facebook. Retrieved 27 January 2017.
  14. ↑ "USB-Dongle Authentication". Josh Davis. Retrieved 22 February 2017.
  15. ↑ Ingalls, Dustin (February 13, 2015). "Microsoft Announces FIDO Support Coming to Windows 10". Windows Blog. Retrieved October 3, 2015.
  16. ↑ "Developer Resources - Platform Status". Microsoft Edge Dev. Retrieved October 3, 2015.
  17. ↑ "Bug 1065729 - Implement the FIDO Alliance u2f javascript API". Mozilla Bugtracker. Retrieved November 2, 2015.
  18. ↑ "U2F Support Addon". Retrieved May 8, 2016.


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