Stuxnet seems to have been created specifically to slow down the Iranian nuclear program.
By Tim Worstall
Roughly, it works by searching for a specific sort of controller (used in a centrifuge), in a specific sort of situation (running at a certain RPM used for uranium processing), and then inserts a modified operating system that revs up and revs down the machine until it spins itself to pieces.
That's a very specific part of the program to be aiming at and there's good reason for that too.
I've been watching, very much from afar, this whole Iran and nuclear power story for well over a decade. I recall sitting in an office at Atomenergoexport, the Russian atomic engineering export state owned company, in the 90s and being told that they'd just signed a deal to sell to and build for Iran an enrichment plant. A plant for which there's really no good reason unless Iran really is trying to build bombs. Read more »