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  1. Cybersecurity | Homeland Security

    Sep 29, 2025 · The Department of Homeland Security and its components play a lead role in strengthening cybersecurity resilience across the nation and sectors, investigating malicious …

  2. 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, …

  3. What is Cybersecurity? | CISA

    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 …

  4. Cyber Threats and Advisories | Cybersecurity and Infrastructure

    Apr 11, 2023 · 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 …

  5. National Terrorism Advisory System Bulletin - June 22, 2025

    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 …

  6. 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.

  7. DHS and CISA Announce Cybersecurity Awareness Month 2025

    Sep 29, 2025 · WASHINGTON – Today, the Department of Homeland Security (DHS) and the Cybersecurity and Infrastructure Security Agency (CISA) announced the official beginning of …

  8. From Awareness to Action—Cybersecurity for Everyone from K

    Jan 8, 2025 · Cyber Civil Defense is a call to action across our Nation—government, industry, nonprofits, academia and individuals—to join forces to prepare for, respond to, and recover …

  9. Cybersecurity Incident Response - CISA

    Awareness webinars are cybersecurity topic overviews for a general audience including managers and business leaders, providing core guidance and best practices to prevent incidents and …

  10. Incident Detection, Response, and Prevention - CISA

    Jan 6, 2025 · 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 …