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Will Voice Prints Work For Payment Authorization?

Written by Evan Schuman
June 27th, 2008
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A UK company is pushing retailers to use voice-recognition to authenticate purchases over the phone and online.

The Voice Commerce Group’s Voice Transact package has consumers call the service, quote a pre-arranged product code and then a series of digits dictated by the automated system. Verizon is involved in the rollout. VCG CEO Nick Ogden was quoted in E-Commerce Times saying that there are “current problems with the system, the biggest of which was interoperability between different banks’ systems and the standards used in the technology.”


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Kill All The Passwords

This article does mention, but does not give enough attention to, the fact that the attacks discussed are only feasible when the encrypted password file can be copied and subjected to an offline attack. The trick is to have authentication performed on a separate, much more strongly secured host - such as an Active Directory Domain Controller, or a Kerberos server, or a NIS+ server, or even using something as banal as an LDAP-over-SSL authentication dialog. In these environments, the odds of the "password file" being stolen and subjected to an offline attack go to near zero, and only online attacks may be carried out by the attacker. With sensible exponential backoff between failed password attempts, lockout after a modest number of failed attempts on a single account, and pattern detection, that minimum 7 character password is quite secure enough. Passwords aren't dead yet for security purposes, and they will be with us for a very long while to come for practical purposes. The trick is to employ them correctly. Read more...
The possibilities you describe are years away from being implemented at best, so for the moment passwords are an ugly reality. Luckily, password managers can easily manage hundreds of passwords of any length. The only thing a user needs to remember is the master password. It seems like an easier task to educate users on how to use password managers rather than implement complex security technology on a global basis. Read more...