using SMS challenge/response to secure web sites

Rich Salz rsalz at datapower.com
Fri Oct 3 13:45:53 EDT 2003


> Now a company called NetPay.TV - I have no idea about
> them, really - have started a service that sends out
> a 6 digit pin over the SMS messaging features of the
> GSM network for the user to type in to the website [4].

Authentify (http://www.authentify.com), does the same kind of thing. 
They put a number on a web page, and then they call you and you key in 
the number.  They were founded in 1999; not sure if they're still active.
	/r$
-- 
Rich Salz, Chief Security Architect
DataPower Technology                           http://www.datapower.com
XS40 XML Security Gateway   http://www.datapower.com/products/xs40.html
XML Security Overview  http://www.datapower.com/xmldev/xmlsecurity.html

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