Multi-Factor Authentication: A Necessary Evil

With all the recent international hacking incidents, we thought it’d be a good idea to focus this edition of the Tree Ring Digital blog on the idea of “cyber hygiene,” particularly the use of “multi-factor” or “two-factor” authentication (sometimes called 2FA) mechanisms.  What is Multi-Factor Authentication?  From Wikipedia:  “Multi-factor authentication (MFA; encompassing two-factor authentication, or…