National Cyber Security Division

The National Cyber Security Division (NCSD) is part of the U.S. Department of Homeland Security that focuses on protecting the country's computer networks and information systems. Its role is to improve cybersecurity across government agencies, private sector, and the public by providing information, tools, and guidance to prevent, respond to, and recover from cyber threats and attacks. Essentially, the NCSD helps ensure the safety and resilience of digital infrastructure vital to national security, economy, and everyday life.