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Cybersecurity

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 17, 2020

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May 18

The Department of Homeland Security (DHS) continues its mission to protect the homeland during the COVID-19 pandemic. DHS is committed to making sure our critical infrastructure and supply chains remain strong, while also monitoring ongoing threats.

May 13

Protecting mobile devices from cyber-attacks and accelerating the adoption of secure mobility for the federal government is a critical research focus of the Department of Homeland Security DHS S&T.

May 4

For months, the Department of Homeland Security has undertaken an aggressive and herculean response to minimize the impact of COVID-19 on American citizens and workers. From private industry to local government, every organ of society has been and will continue to be leveraged to protect the American public from irreparable harm.

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