Agency for Cybersecurity and Infrastructure Security (CISA)

The Cybersecurity and Infrastructure Security Agency (CISA) is a U.S. government organization responsible for protecting the nation’s critical infrastructure—such as power grids, water systems, and transportation—from cyber threats and physical attacks. CISA works to improve the security and resilience of these systems by sharing information, providing cybersecurity resources, and coordinating responses to emergencies. Its goal is to ensure that vital services remain operational and secure, safeguarding the country's safety and stability in an increasingly digital world.