Iran doesn’t respect intellectual property rights.
In other words those 16,000 computers had bootlegged
(hacked) copies of Microsoft Windows.
The StuxNet worm targeted 4 Already Patched
vulnerabilities. Anyone who had a legit copy of
Windows installed was immune to StuxNet.
Iran wasn’t having security problems because of
International Sanctions, they were infected because
they bootlegged (stole) thier copies of Windows.