> 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=1
http://www.flylogic.net/blog/?p=25

He is able to tear down microcontrollers layer by layer and probe the
logic underneath.
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist