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Our daily life, economic vitality, and national security depend on a stable, safe, and resilient cyberspace.

Cyberspace and its underlying infrastructure are vulnerable to a wide range of risk stemming from both physical and cyber threats and hazards. Sophisticated cyber actors and nation-states exploit vulnerabilities to steal information and money and are developing capabilities to disrupt, destroy, or threaten the delivery of essential services.

On November 16, 2018, President Trump signed into law the Cybersecurity and Infrastructure Security Agency Act of 2018. This landmark legislation elevates the mission of the former National Protection and Programs Directorate (NPPD) within DHS and establishes the Cybersecurity and Infrastructure Security Agency (CISA). CISA builds the national capacity to defend against cyber attacks and works with the federal government to provide cybersecurity tools, incident response services and assessment capabilities to safeguard the ‘.gov’ networks that support the essential operations of partner departments and agencies.

For cybersecurity, CISA's main focus areas include:

Additional information

Last Published Date: March 1, 2019

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Apr 1

Secretary of Homeland Security Kirstjen M. Nielsen will travel to Europe this week to meet with senior officials from the governments of the United Kingdom and Sweden prior to participating in the G7 Interior Ministers’ Meeting in Paris, France. She is set to raise urgent matters with foreign partners on emerging threats, including cybersecurity and risks to U.S. networks, the evolving terrorist threat, and foreign adversary interference in the U.S. homeland—and how we can work with allies to thwart these dangers.

Mar 21

DHS S&T has awarded a total of $5,900,000 to the Norwich University Applied Research Institutes to expand the Distributed Environment for Critical Infrastructure Decision-Making Exercises (DECIDE) cyber-training platform.

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