Are you saying they still successfully copied your product? 
even after all that?

Where can I hear more of these "legendary" stories?
This is a fascinating subject....

I also heard a rumor(?) about entire "reverse-engineering centers" in China. 
Have there been any (good reporting, factual) articles published about that?

Jack
"curiosity killed the cat, but satisfaction brought him back"


.
On Thu, 8 Apr 2010 11:13:10 +0100, Mike Fenner <[log in to unmask]> 
wrote:

>In another salt mine I was involved in a project where we had concerns to
>protect our IP from potential partners evaluating product under NDA.
>
>Product was potted, we ground off all device part numbers and we had
>spurious components and confusion layers in PCB for X ray etc.
>
>We incorporated serial numbered compiled firmware, whether the product
>really needed it for functionality or not, which was designed to erase if
>product was tampered with.
>
>We had the satisfaction of knowing who had copied us.
>
>
>Regards
>
>Mike
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of 
[log in to unmask]
>Sent: Thursday, April 08, 2010 6:49 AM
>To: [log in to unmask]
>Subject: Re: [TN] Reverse engineering proofing
>
>
>
>In a message dated 4/7/2010 5:15:37 P.M. Eastern Daylight Time,
>[log in to unmask] writes:
>
>The  security should be commiserate with the value of the assembly.
>
>One  customer mechanically removed any programmed device before it left  
the
>building even it it destroyed the PCA, +$30k each.
>
>Another added  iron oxide to the potting to obscure the PCA.
>
>If the device ends up  intact in the hands of someone willing to spend the
>time and money to  reverse engineer it. It will be reverse engineered.
>
>Using fake  counterfeit chips, loops that erase programs, obscuring schemes,
>highly  engineered customised devices can all be defeated.  What is is
>worth?
>There are legendary stories of a number of reverse engineered  devices.
>Including PCB's with poorly incorporated EC's on the original  showing up in
>the counterfeitt.
>
>Is there a way to keep the device  out of the unintended hands?
>
>
>
>
>
>Larry is exactly right.  If time and money exist to do the work, then  the
>reverse Engineering will happen.
>
>
>
>Jon Moore
>
>
>
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