CVV (was: Re: bloomberg on supermicro: sky is falling)

["Dave Farber" <farber () gmail com>]

Begin forwarded message:

> From: Robert Kisteleki <robert () ripe net>
> Date: October 11, 2018 17:17:58 JST
> To: bzs () theworld com
> Cc: "nanog () nanog org" <nanog () nanog org>
> Subject: CVV (was: Re: bloomberg on supermicro: sky is falling)
>
> (this is probably OT now...)
>
> > I'm pretty sure the "entire point" of inventing CVV was to prove you
> > physically have the card.
>
> Except that it doesn't serve that purpose. Anyone who ever had your card
> in their hands (e.g. waiters) can just write that down and use it later
> hence defeating the purpose of "physically having the card". (Call me
> paranoid but I usually use a black pen to make the numbers undreadable
> because of this, after my card (both sides) has been photocopied a
> number of times...)
>
> This has always been an amusing topic. At the end of the day it's a
> financial risk management call from the banks -- as long as they lose
> less money on the current system than the cost of fraud, things wiull
> not change. Of course, they try to push those costs onto others as much
> as possible, but that doesn't change the bottom line.
>
> Robert



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