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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: October 23, 2019

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Nov 14

Today, in remarks delivered at the Homeland Security Advisory Council, Acting Secretary of Homeland Security Chad Wolf delivered a statement in response to the tragedy at Saugus High School.

Nov 4

S&T works with industry, responders, and other stakeholders, before, during and after events happen make sure the nation and critical infrastructure sectors are prepared.

Aug 26

DHS S&T awarded $3.2 million to California-based small business Intellisense Systems, Inc. for Phase III of a DHS SBIR program focused on designing, developing and testing a network of inexpensive, deployable flood inundation sensors.

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