In August 2012, Iranian hackers wiped Saudi Arabia's national oil company so completely it had to buy every hard drive on the global market just to get back online — and that was *before* Iran built the cyber arsenal it has today. In 2010, a piece of malware so advanced it was called the most complex software ever written silently destroyed Iran's nuclear centrifuges from the inside — and Iran spent the next fifteen years making sure no one could ever do that to them again without paying a catastrophic price. What they built in response is now aimed at power grids, water systems, and financial networks across the United States and its allies. === Everything you need to understand Iran's cyber army and why it explains the war happening right now. === New to the conflict? Start here, then subscribe for daily briefings.