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  1. What is Cybersecurity? | CISA

    2021年2月1日 · What is cybersecurity? Cybersecurity is the art of protecting networks, devices, and data from unauthorized access or criminal use and the practice of ensuring confidentiality, integrity, and …

  2. Cybersecurity Best Practices | Cybersecurity and Infrastructure ... - CISA

    2025年12月8日 · CISA provides information on cybersecurity best practices to help individuals and organizations implement preventative measures and manage cyber risks.

  3. Cybersecurity | Homeland Security

    2026年1月12日 · The Department of Homeland Security and its components play a lead role in strengthening cybersecurity resilience across the nation and sectors, investigating malicious cyber …

  4. DHS Announces $279.9 million in Grant Funding for the Fiscal Year …

    2024年9月23日 · The Department of Homeland Security announced the availability of $279.9 million in grant funding for the Fiscal Year (FY) 2024 State and Local Cybersecurity Grant Program (SLCGP).

  5. Incident Detection, Response, and Prevention - CISA

    2025年11月12日 · Overview Cyber incidents are capable of demonstrable harm to the national security interests, foreign relations, or economy of the United States or to the public confidence, civil liberties, …

  6. National Terrorism Advisory System Bulletin - Homeland Security

    2025年6月22日 · Low-level cyber attacks against US networks by pro-Iranian hacktivists are likely, and cyber actors affiliated with the Iranian government may conduct attacks against US networks. Iran …

  7. Home Page | CISA

    2011年1月15日 · JCDC unifies cyber defenders from organizations worldwide. This team proactively gathers, analyzes, and shares actionable cyber risk information to enable synchronized, holistic …

  8. United in Cyber Defense: A Model for Operational Collaboration

    2025年1月16日 · Cyber Defense for Geopolitical Crises: In collaboration with federal agencies and industry partners, we developed cyber defense plans tailored to specific geopolitical risks, such as …

  9. Principles of Operational Technology Cyber Security - CISA

    2024年10月1日 · Netherlands’ National Cyber Security Centre (NCSC-NL). Japan’s National Center of Incident Readiness and Strategy for Cybersecurity (NISC) and National Police Agency (NPA).

  10. No-Cost Cybersecurity Services & Tools | CISA

    CISA has curated a database of no-cost cybersecurity services and tools as part of our continuing mission to reduce cybersecurity risk across U.S. critical infrastructure partners and state, local, tribal, …