Cybersecurity and Infrastructure Security Agency

October 29, 2025 - The Cybersecurity and Infrastructure Security Agency (CISA) is a component of the United States Department of Homeland Security (DHS) responsible for cybersecurity and infrastructure protection across all levels of government, coordinating cybersecurity programs with U.S. states, and improving ...

CISA works with partners to defend against today’s threats and collaborate to build a more secure and resilient infrastructure for the future. Read CISA's Fact Sheet to learn more. We lead the national effort to understand, manage, and reduce risk to our cyber and physical infrastructure. A secure and resilient critical infrastructure for the American people. “The blue outer ring and the inner red ring indicate CISA’s unity with DHS and a nod to our efforts to cut through government red tape, while the three blue lines in the outer ring represent the Agency’s three congressionally mandated missions: cybersecurity, infrastructure security, and emergency communications.

The Cybersecurity and Infrastructure Security Agency (CISA) announced the release of Thorium, an automated platform that allows cyber defenders at lightning speed to assess and combat malware threats in a way that has not been possible before.

CISA is one of the newest federal agencies, established as an independent operational component of DHS in 2018 through the expansion of DHS’s National Protection and Programs Directorate (NPPD).

January 15, 2025 - Brief history: originating as DHS’s National Protection and Programs Directorate (NPPD), the 2018 Cybersecurity & Infrastructure Security Agency Act instituted CISA as an operational component of DHS.

July 1, 2019 - Like NPPD before it, CISA also oversees within DHS the Federal Protective Service (FPS), the Office of Cyber and Infrastructure Analysis (OCIA), the Office of Cybersecurity & Communications (OC&C) and the Office of Infrastructure Protection (OIP).

May 28, 2024 - In an era where the digital landscape ... Cybersecurity and Infrastructure Security Agency (CISA), operating within the United States Department of Homeland Security (DHS), stands as a sentinel against these threats....

4 days ago - We play a vital role in protecting the homeland. Please visit our official website (cisa.gov) to learn how you can contribute to our mission. Review our full Comment Policy: cisa.gov/comment-policy Review DHS LinkedIn Privacy Policy: dhs.gov/linkedin-privacy-policy-and-notice

March 10, 2023 - The Cybersecurity and Infrastructure ... secure and resilient infrastructure for the future. ... United States – Department of Homeland Security Cyber and Infrastructure Security Agency (DHS/CISA)...

Menu · The Cybersecurity and Infrastructure Security Agency (CISA) defends critical infrastructure against threats. Cybersecurity and Infrastructure Security Agency · 1-888-282-0870 (cybersecurity resources) [email protected] ·

June 6, 2025 - The Cybersecurity and Infrastructure Security Agency (CISA) is a subdivision of the US Department of Homeland Security responsible for protecting the nation's critical infrastructure from physical and cyber threats.

The Protected Critical Infrastructure Information (PCII) Program, part of the Department of Homeland Security (DHS), Cybersecurity and Infrastructure Security Agency (CISA), Infrastructure Security Division (ISD), Infrastructure Assessments ...

CBP's priority mission is to keep terrorists and their weapons out of the U.S. CBP also secures and facilitates trade and travel while enforcing regulations, including immigration and drug laws. ... CISA leads the national effort to understand, manage, and reduce risk to our cyber and physical infrastructure.

The mission of the Department of Homeland Security’s Cybersecurity and Infrastructure Security Agency (CISA) is to lead the national effort to protect and enhance the resilience of the nation’s physical and cyber infrastructure.

November 21, 2018 - Congress has passed the Cybersecurity and Infrastructure Security Agency Act of 2018, which calls for a new standalone cybersecurity agency to be created within DHS, consolidating cybersecurity and physical infrastructure security in a single agency.

May 7, 2024 - The U.S. Department of Homeland Security (DHS) and the Cybersecurity and Infrastructure Security Agency (CISA) announced on Monday changes to the Cyber Safety Review Board (CSRB) membership.

On November 13, the United States House of Representatives voted unanimously to pass legislation creating the Cybersecurity and Infrastructure Security Agency (CISA) within the Department of Homeland Security (DHS).

September 9, 2024 - The Cybersecurity and Infrastructure Security Agency (CISA) leads federal cybersecurity efforts and coordinates critical infrastructure security and resilience in the US. Its mission is to understand, manage, and reduce risks to cyber and physical infrastructure in the United States. In accordance with their AI roadmap, they support the development of the DHS approach on AI policy issues...

December 9, 2020 - Instead, we’ll be talking about the agency’s history, what they do, and how important it is to our everyday life in the Internet-of-Things (IoT) age. ... The CISA is a part of the Department of Homeland Security.

Line of Effort 4: Collaborate and communicate on key AI efforts with the interagency, international partners, and the public. CISA will contribute to DHS-led and interagency efforts, including developing policy approaches for the U.S. government’s overall national strategy on cybersecurity ...