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Intel's First x86 CPU Had Secret Instructions Meant to Catch IP Thievery (www.tomshardware.com)

submitted 2 years ago by wave_walnut@kbin.social to c/tech@kbin.social

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Expensive transistors meant some security venues were left almost unguarded.

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[–] TimeSquirrel@kbin.social 6 points 2 years ago* (last edited 2 years ago) (1 children)

I've seen this kind of thing done on PCBs as well. Stick a useless component somewhere that does nothing (like a resistor with its terminals shorted together), and when you find a clone with your exact layout and your extra component there, then you can be sure it was straight up copypasted.

[–] experbia@kbin.social 5 points 2 years ago

Cartographers will do this with small non-existent roads, too. They're called "trap streets"!