Bad news for all of us:
http://spectrum.ieee.org/telecom/security/too-big-to-hack
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Mike Fenner
Sent: Thursday, April 08, 2010 6:13 AM
To: [log in to unmask]
Subject: Re: [TN] Reverse engineering proofing
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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