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From Dale Newfield <d...@newfield.org>
Subject Re: Avoid Phishing in Struts Applications plugin
Date Mon, 06 Sep 2010 16:36:35 GMT
Examples of why SiteKey really isn't sufficient:
http://antivirus.about.com/b/2010/03/23/bank-of-america-sitekey-scam.htm
http://www.aviransplace.com/2007/02/05/study-finds-bank-of-america-sitekey-is-flawed/
(As well as the fact that it's possible for a phishing site to use the 
same provided ID to ask the real site what sitekey should be shown to 
the end user, effectively a man-in-the-middle attack, illustrated at 
https://www.sestus.com/vt/sitekeyMITM.asp )

Some other company's solution that appears to involve users having to 
store a keyfile on their machine, but it seems that would make it 
impossible to log into the site from a random machine (or a mobile 
device like the iphone that doesn't have an available filestore), and I 
don't see what prevents those users from being duped into providing that 
keyfile to a phisher.
https://www.sestus.com/vt/comparesitekey.asp

It's a hard problem, and it mostly happens *outside* your app, so good 
luck solving it within your app. :-(

-Dale

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