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  4. Secretary of Homeland Security

Secretary of Homeland Security

The Secretary of Homeland Security oversees the third largest Cabinet department and leads our nation's efforts to secure our country from the many threats we face.

  • Strategic Guidance and National Priorities for U.S. Critical Infrastructure Security and Resilience (2024-2025)

    In accordance with the Department of Homeland Security's Secretary's responsibilities outlined in the National Security Memorandum-22 on Critical Infrastructure Security and Resilience (NSM-22), the Secretary issued this strategic guidance for improving the security and resilience of our nation's critical infrastructure, including priorities to guide our shared efforts throughout the 2024-2025 national critical infrastructure risk management cycle established in NSM-22.

  • AI Roadmap

    The DHS AI Roadmap outlines our AI initiatives and the technology’s potential across the homeland security enterprise. It is the most detailed AI plan put forward by a federal agency to date, directing our efforts to fully realize AI’s potential to protect the American people and our homeland while steadfastly protecting privacy, civil rights, and civil liberties.

  • Memo on 90-day People's Republic of China Threats Sprint

    Official memo from the U.S. Department of Homeland Security Secretary, Alejandro Mayorkas, directing a 90-day PRC Threats Sprint across the Department.

  • Memo on the Establishment of a DHS Artificial Intelligence Task Force

    DHS must address the many ways in which artificial intelligence (AI), including revolutionary advances in generative AI, will drastically alter the threat landscape and augment the arsenal of tools we possess to succeed in the face of threats.

  • Communiqué

    Communiqué from the Five Country Ministerial, held September 12-13th, 2022 in Washington, DC.

  • Memo on Information Regarding First Amendment Protected Activities

    Memo to DHS employees from Acting Secretary McAleenan providing information regarding first amendment protected activities.

  • DHS Biometrics Expansion

    Memo signed by Secretary John Kelly on May 24, 2017, directing the Department to enhance biometric collection practices to improve identity resolution and encounter management.

  • DHS Space Policy

    Within the homeland security enterprise, space-based systems play a critical role in securing the homeland as DHS components and partners rely heavily on space systems to provide information and communications necessary for mission success. The DHS Space Policy guides component efforts internally and across the homeland security enterprise.

  • Homeland Threat Assessment

    The DHS Intelligence Enterprise Homeland Threat Assessment reflects insights from across the Department, the Intelligence Community, and other critical homeland security stakeholders. It focuses on the most direct, pressing threats to our Homeland during the next year and is organized into four sections.

  • DHS Report on Domestic Violent Extremism Internal Review

    At Secretary Mayorkas’ direction, a cross-Departmental working group of senior officials conducted a comprehensive review of how to best prevent, detect, and respond to potential threats related to domestic violent extremism within DHS.