US flag signifying that this is a United States Federal Government website   Official website of the Department of Homeland Security

Homeland Security

Safeguard and Secure Cyberspace

Circuit BoardThe Department has the lead for the federal government for securing civilian government computer systems, and works with industry and state, local, tribal and territorial governments to secure critical infrastructure and information systems. The Department works to:

  • analyze and reduce cyber threats and vulnerabilities;
  • distribute threat warnings; and
  • coordinate the response to cyber incidents to ensure that our computers, networks, and cyber systems remain safe.

Learn More

Last Published Date: November 2, 2015

Was this page helpful?

Back to Top