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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

Cybersecurity News & Updates RSS Icon

Nov 2

Throughout the pandemic, the Department of Homeland Security (DHS) has stood ready to assist communities across the nation in the fight against COVID-19.

Oct 26

For months, the Department of Homeland Security (DHS) has worked side by side with state, local, and private sector partners to ensure a safe and effective response to COVID-19 across its component offices.

Oct 16

The Department of Homeland Security (DHS) and its component offices have stood ready to assist communities across the nation that are facing unforeseen challenges amid a pandemic environment.

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