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  1. What is Cybersecurity? | CISA

    Feb 1, 2021 · 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, …

  2. 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.

  3. Cybersecurity Awareness Month - CISA

    Cyber threats don’t take time off. As the federal lead for Cybersecurity Awareness Month and the nation’s cyber defense agency, the Cybersecurity and Infrastructure Security Agency, or CISA, …

  4. Home Page | CISA

    Oct 30, 2025 · JCDC unifies cyber defenders from organizations worldwide. This team proactively gathers, analyzes, and shares actionable cyber risk information to enable synchronized, …

  5. Cyber Threats and Advisories | Cybersecurity and Infrastructure

    Apr 23, 2025 · By preventing attacks or mitigating the spread of an attack as quickly as possible, cyber threat actors lose their power. CISA diligently tracks and shares information about the …

  6. National Terrorism Advisory System Bulletin - Homeland Security

    Jun 22, 2025 · 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 …

  7. Nation-State Threats | Cybersecurity and Infrastructure Security …

    As the nation’s cyber defense agency and national coordinator for critical infrastructure security, CISA provides resources to help critical infrastructure and other stakeholders build resilience …

  8. Cyber and IT Interns - CISA

    Cyber and IT Interns Are you curious and passionate about learning how America protects against cybersecurity threats? Then we want you! Start your cyber career with CISA! CISA is hiring …

  9. Information Sharing | Cybersecurity and Infrastructure Security

    Information sharing is the key to preventing a wide-spread cyber-attack. CISA develops partnerships to rapidly share critical information about cyber incidents.

  10. Russian Military Cyber Actors Target US and Global Critical ...

    Sep 5, 2024 · Summary The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and National Security Agency (NSA) assess that cyber …