Em 11/2/2010 20:32, Adam Field escreveu:
>> Even if you cut the ICSP pins close to the package, somebody could
>> scratch the plastic to solder some wires to them. He could even unsolder
>> the chip and buy a new blank one.
>>     =

> Wandering a little off topic, but I'm sure some on here have seen
> Flylogic's blog. If not, check out these:
>
> http://www.flylogic.net/blog/?cat=3D1
> http://www.flylogic.net/blog/?p=3D25
>
> He is able to tear down microcontrollers layer by layer and probe the
> logic underneath.
>   =

>

Yes, I knew about them already. Fortunately it requires some equipment
and skills. Nobody is safe from such attacks, but it must be worthy the
effort for someone to try to crack a chip this way. Perhaps more likely
in the security equipment area or to be able to fraud money transfers
etc., less likely for copying the product.


Regards,

Isaac

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