You haven't been following this have you? Iran's withdrawal from the NPT will constitute a "threat to international peace and security" under Chapter VII of the UN Charter and the UNSC will have to take action. Israel on the other hand will be handed its casus belli on a plate. If you think Iran can come out of that without being attacked then the tar fumes are going to your head.
U.S. defense contractor accused of copying secret military documents (Reuters)
from the article: U.S.: Iran to face consequences for nuclear defiance