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  1. Home Page | CISA

    Oct 30, 2025 · Additional CISA Resources CISA’s Federal Cyber Defense Skilling Academy CISA’s Federal Cyber Defense Skilling Academy provides full-time federal employees an …

  2. About CISA

    CISA 101 Postcard Our About CISA postcard offers a concise introduction to the agency, highlighting our mission, core initiatives, and our role as the National Coordinator for Critical …

  3. Cybersecurity Alerts & Advisories - CISA

    Oct 30, 2025 · Advisory DefinitionsCybersecurity AdvisoriesIndustrial Control Systems AdvisoriesAlert: Provides succinct information on recent, ongoing, or high-impact cyber …

  4. Resources & Tools - CISA

    Jan 17, 2025 · CISA offers an array of free resources and tools, such as technical assistance, exercises, cybersecurity assessments, free training, and more.

  5. Cybersecurity Best Practices | Cybersecurity and Infrastructure

    May 6, 2025 · CISA provides information on cybersecurity best practices to help individuals and organizations implement preventative measures and manage cyber risks.

  6. Critical Infrastructure Security and Resilience - CISA

    Jan 10, 2025 · CISA provides guidance to support state, local, and industry partners in identifying critical infrastructure needed to maintain the functions Americans depend on daily.

  7. Cybersecurity Training & Exercises | CISA

    CISA looks to enable the cyber-ready workforce of tomorrow by leading training and education of the cybersecurity workforce by providing training for federal employees, private-sector …

  8. CISA Learning

    Aug 13, 2025 · CISA Learning, the Cybersecurity and Infrastructure Security Agency (CISA) learning management system, provides cybersecurity and infrastructure security training free …

  9. Microsoft Releases Out-of-Band Security Update to Mitigate

    Oct 29, 2025 · , that a prior update did not fully mitigate. CISA strongly urges organizations to implement Microsoft’s updated Windows Server Update Service (WSUS) Remote Code …

  10. Known Exploited Vulnerabilities Catalog - CISA

    For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains …