It's a new cold war. Eventually Iran will write viruses in return to attack US power grid. All fun and games until Homeland Security Theater is given new powers to raid your home and shoot your dog if they think your computer is being used as part of a botnet.
Could things get there with another nuclear enabled power like China? Maybe, in time. Iran is not an existential threat to the US, not anywhere close to what the Soviets were. The Israelis see things differently I'm sure, but this is far from the situation in 60s - 80s.