INFOWORLD GRIPE LINE BY ED FOSTER Bookmark this page

  
Replying To:
No additional security (none / 0) (#5)
by Fushigi on Mon May 07, 2007 at 11:35:13 AM PDT

Authentication is generally comprised of the following factors:

- Something you know (passwords, mother's maiden name, etc.)

- Something you are (biometrics like fingerprints or retina scans)

- Something you have (token devices and their like)

To be considered 'more secure' one must do multi-factor authentication; i.e. have a response from more than one factor. Multiple responses within a single factor do not appreciably add to security. As such, asking for the last 4 digits of your SSN, your mother's maiden name, or any other questions do little more than expand the company's personal profile database. They do not add security.



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