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By: Christopher TarnovskyFrom start to finish, we will walk through how a current generation smartcard was successfully compromised. The talk will discuss ev...
same concept applies to PCB - basically it's a web of traces surrounding the real traces in every dimension - The web is made in such a way that you can detect a break, perhaps a break with a bypass, or perhaps even a change in some characteristic, thereby letting the circuit know that some tampering or attempts to circumvent the intended operation of the circuit is occuring. I'm not a big fan of this, and since I have seen it broken many times - I question it's effectiveness. You might find this sort of thing on secure entry id card readers or payment card scanners and perhaps also on some satellite TV decoders.
It's a thin film PCB built specifically for external tamper protection. Basically it's a way on informing the secure module inside the CPU that a tamper attack has happened. Followed by a tamper response (whatever it might be).
Any thoughts/ideas about how to best tackle the issue of designing a tamper mesh PCB? Any requirements? I know it would use a thin-film material but can't find specific requirements on routing and the layout.
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