Full Title or Meme
Which is the best Authentication Factor to use? "something you have" or "something you are"?
Any Authentication Factor leads to the two primary problems.
- Security, primarily the security of Access to some protected resource
- Privacy, primarily the protection of a user's private data.
- All Authentication factors release personally identifiable information (PII) in order to complete their work. The stronger the Authentication, the more information is released.
- Biometrics, or "something your are" seems to be the best way to show Proof of Presence and is promoted by Brent Arsenault at Microsoft.
- A Wired article "Facial Verification Won't Fight Fraud" encourages states in the US to switch to state issued IDs or "something you have".
- Albert Fox Cahn. Facial Verification Won't Fight Fraud Wired (2021-06-11) https://www.wired.com/story/opinion-facial-verification-wont-fight-fraud/?bxid=5c5b250d24c17c67f8640083&cndid=45183233&esrc=AUTO_PRINT&source=EDT_WIR_NEWSLETTER_0_TRANSPORTATION_ZZ&utm_brand=wired
- See the wiki page for Multi-factor Authentication