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Secretary of Homeland Security

Secretary Kirstjen M. Nielsen

The Secretary of Homeland Security leads the third largest Department of the U.S. government, with a workforce of 229,000 employees and 22 components including TSA, Customs and Border Protection, Immigration and Customs Enforcement, U.S. Citizenship and Immigration Services, FEMA, the Coast Guard, Secret Service, Federal Law Enforcement Training Centers, the National Protection and Programs Directorate, and the Science and Technology Directorate.

Under the Secretary's leadership, DHS is responsible for counterterrorism, cybersecurity, aviation security, border security, port security, maritime security, administration and enforcement of our immigration laws, protection of our national leaders, protection of critical infrastructure, cybersecurity, detection of and protection against chemical, biological and nuclear threats to the homeland, and response to disasters.

Secretary Kirstjen M. Nielsen

Kirstjen M. Nielsen was sworn-in as the sixth Secretary of Homeland Security on December 6, 2017.  Secretary Nielsen is the first former Department of Homeland Security (DHS) employee to become the secretary.

Last Published Date: July 25, 2018

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Dec 26

NOTICE: Due to the lapse in federal funding, this website will not be actively managed. This website was last updated on December 21, 2018 and will not be updated until after funding is enacted. As such, information on this website may not be up to date. Transactions submitted via this website might not be processed and we will not be able to respond to inquiries until after appropriations are enacted.

Dec 20

Since at least 2014, Chinese cyber actors associated with the Chinese Ministry of State Security have hacked multiple U.S. and global managed service and cloud providers. These Chinese actors used this access to compromise the networks of the providers’ clients, including global companies located in at least 12 countries.

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