US-CERT is part of DHS' National Cybersecurity and Communications Integration Center (NCCIC). The Department of Homeland Security's United States Computer Emergency Readiness Team (US-CERT) leads efforts to improve the Nation's cybersecurity posture, coordinate cyber information sharing, and proactively manage cyber risks to the Nation while protecting the constitutional rights of Americans. US-CERT strives to be a trusted global leader in cybersecurity—collaborative, agile, and responsive in a dynamic and complex environment.