ok maybe this is a little misplaced but it is true that stranger things have happened. before the first iraq war, the us supplied standard computer printers to the iraqi army. except these were not quite standard, but had GPS chips built in. so they would broadcast their location to orbiting satellites. those printers which were used by mobile iraqi anti-aircraft batteries surreptitiously let the americans pinpoint the big guns for destruction. this is how the americans achieved complete air superiority in a very short while.
in india, and i have mentioned this before but nobody seems bothered, companies directly owned by the chinese government are building india's deepest port/container terminal at vizhinjam, trivandrum. how much do you want to bet that they'll leave trojan horses there that will cause all sorts of damage? not to mention the unlimited opportunities to ship money to friends *during* the construction.