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Critical Infrastructure Security

Critical infrastructure describes the physical and cyber systems and assets that are so vital to the United States that their incapacity or destruction would have a debilitating impact on our physical or economic security or public health or safety.  The nation's critical infrastructure provides the essential services that underpin American society.

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 coordinates security and resilience efforts using trusted partnerships across the private and public sectors, and delivers technical assistance and assessments to federal stakeholders as well as to infrastructure owners and operators nationwide.

For Infrastructure Security, CISA's main focus areas include:

What can you do to make our Nation stronger and more resilient?

Additional information

Last Published Date: July 14, 2020

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May 27

The Department of Homeland Security’s Transportation Security Administration (TSA) announced a Security Directive that will enable the Department to better identify, protect against, and respond to threats to critical companies in the pipeline sector.

Apr 9

The Biden-Harris Administration submitted to Congress the President’s priorities for fiscal year 2022 discretionary spending.  The budget invests in key DHS missions, including repairing a broken immigration system, better managing the border with advanced technology, protecting civil rights, and bolstering cyber defenses and resilience.

Mar 16

The Department of Justice (DOJ), and the Department of Homeland Security (DHS), including the Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA), released today key findings and recommendations from a joint report to the President issued last month on the impact of foreign governments and their agents on the security and integrity of the 2020 U.S. federal elections.

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