United States Computer Emergency Readiness Team

The United States Computer Emergency Readiness Team (US-CERT) was a team under the Cybersecurity and Infrastructure Security Agency of the Department of Homeland Security.
On February 24, 2023, the Cybersecurity and Infrastructure Security Agency (CISA) retired US-CERT and ICS-CERT, integrating CISA’s operational content into a new CISA.gov website that better unifies CISA's mission. CISA continues to be responsible for coordinating cybersecurity programs within the U.S. government to protect against malicious cyber activity, including activity related to industrial control systems. In keeping with this responsibility, CISA continues responding to incidents, providing technical assistance, and disseminating timely notifications of cyber threats and vulnerabilities.