Cybersecurity and Infrastructure Security Agency (CISA)

The Cybersecurity and Infrastructure Security Agency (CISA) is a key agency within the U.S. Department of Homeland Security (DHS) focused on protecting the nation’s cyber and physical infrastructure. CISA works to safeguard critical systems from cyber threats and to ensure the resilience of vital services like energy, transportation, and healthcare. It provides resources, guidance, and support to federal, state, local, and private sector partners to enhance security and respond to incidents. In essence, CISA helps secure the country's essential systems against attacks and disasters, ensuring safety and security for all Americans.