CISA's CI Fortify Initiative: A Plain-English Guide for Municipal Leaders
On May 5, 2026, CISA released CI Fortify, a federal directive built on an explicit assumption that nation-state adversaries are already inside U.S. critical infrastructure. The guidance directs operators to plan for weeks or months of isolated operation. Most coverage has focused on energy and defense. It also matters for your water utility, your dispatch center, and your traffic systems. Here is what it actually says, what it means for your city, and three things to do this quarter.