US Computer Emergency Readiness Team (US-CERT)
Now: National Cybersecurity and Communications Integration Center (NCCIC). See NCCIC.
Formerly the Federal Computer Incident Response Center (FedCIRC). Formed by Congress in 2000 under the US General Administration Administration (GSA).
Entity moved under the US Department of Homeland Security (DHS) in 2003 and renamed as US-CERT.