Two-Factor Authentication: Too Little, Too Late(schneier.com)
schneier.com
Two-Factor Authentication: Too Little, Too Late
http://www.schneier.com/essay-083.html
1 comments
That's an article from 2005, as someone would have surely pointed out, but I found the topic to be relevant as there is now a trend of companies like Google, Dropbox adopting two-factor auth and the security implications of that.