The Cybersecurity and Infrastructure Security Agency's (CISA) Cybersecurity Division leads efforts to protect the federal ".gov" domain of civilian government networks and to collaborate with the private sector - the ".com" domain - to increase the security of critical networks. This occurs through four primary functions.

• The National Cybersecurity and Communications Integration Center
• Stakeholder Engagement and Cyber Infrastructure Resilience
• Federal Network Resilience
• Network Security Deployment

CISA's National Cybersecurity and Communications Integration Center's (NCCIC) is the Nation's flagship cyber defense, incident response, and operational integration center. Since 2009, the NCCIC has served as a national hub for cyber and communications information, technical expertise, and operational integration, and by operating our 24/7 situational awareness, analysis, and incident response center.

As the Sector-Specific Agency for the Communications and Information Technology (IT) sectors, CISA coordinates national-level reporting that is consistent with the National Response Framework (NRF).

CISA's Cybersecurity devision is led by Assistant Director Jeanette Manfra and Deputy Assistant Director Richard Driggers.