. Good read re Copy Machine keeps a copy, after you get yours

[Dave Farber <dave () farber net>]

Begin forwarded message:

> From: "Ed Gerck, Ph.D." <egerck () nma com>
> Date: April 23, 2010 12:13:55 PM EDT
> To: dave () farber net
> Cc: ip <ip () v2 listbox com>
> Subject: Re: [IP] re  Copy Machine keeps a copy, after you get yours

> [Dave: for IP with your consideration]
>
> It is far more complicated than that.
>
> Yes, caching the image can be useful before printing to make it all  
> work faster but, because there's no need at all to store the image  
> *after *the image is printed, and because this is reported to happen  
> with almost all printers since 2002, this indicates that law  
> enforcement would have required it. The EFF, Bruce Schneier and  
> others have reported on color laser printers embedding secret  
> information in every page they print, basically to allow personal  
> traceability by forensic analysis. See http://www.schneier.com/blog/archives/2005/10/secret_forensic.html
>
> So, this is not a problem that we can solve... because it is  
> probably not a problem -- it's a feature. And, considering not only  
> fake bills and copies of state secrets, but also child pornography,  
> some may well consider this a desirable feature.
>
> The solution is to make all copies in-house and destroy the hard- 
> drive as well as the (newer models) flash memory before recycling  
> the printer. We can hopefully expect  the FBI, NSA and other USG  
> agencies to do that.
>
> The implications for the "common man"  and HIPAA are, however, truly  
> frightening (as criminals can exploit it).
>
> And this is just another example of "war methods" (deception, in  
> this case, as people surely expect their copies to be private)  
> failing. When you create a "back door", that back door can be used  
> by others.
>
> BTW, this is possibly unconstitutional in the US, Europe, etc.  
> There's a reasonable expectation of privacy, and a legal requirement  
> as well (attorney-client privilege, health record regulations, etc.)
>
> Best regards,
> Ed Gerck
> ed () gerck com (my personal opinion)



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