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, integrity, and …
Cyber Threats and Response - CISA
Nov 12, 2025 · Sophisticated cyber actors and nation-states exploit vulnerabilities to steal information and money and work to develop capabilities to disrupt, destroy, or threaten the delivery of essential …
Cybersecurity Best Practices | Cybersecurity and Infrastructure ... - CISA
Dec 8, 2025 · CISA provides information on cybersecurity best practices to help individuals and organizations implement preventative measures and manage cyber risks.
Poland Energy Sector Cyber Incident Highlights OT and ICS ... - CISA
Dec 29, 2025 · The purpose of this Alert is to amplify Poland’s Computer Emergency Response Team (CERT Polska’s) Energy Sector Incident Report published on Jan. 30, 2026, and highlight key …
Incident Response | Cybersecurity and Infrastructure Security ... - CISA
Overview Cyber incidents can harm U.S. national security interests, foreign relations, and the economy and can impact public confidence, civil liberties, and health and safety. Because of this risk, all …
No-Cost Cybersecurity Services & Tools | CISA
What's Included CISA's no-cost, in-house cybersecurity services designed to help individuals and organizations build and maintain a robust and resilient cyber framework. An extensive selection of no …
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CISA and USCG Identify Areas for Cyber Hygiene Improvement After ...
Jul 31, 2025 · CISA and USCG Identify Areas for Cyber Hygiene Improvement After Conducting Proactive Threat Hunt at US Critical Infrastructure Organization
CISA Orders Federal Agencies to Strengthen Edge Device Security …
Feb 5, 2026 · Persistent cyber threat actors are increasingly exploiting unsupported edge devices - hardware and software that no longer receive vendor updates to firmware or other security patches. …
Primary Mitigations to Reduce Cyber Threats to Operational ... - CISA
May 6, 2025 · The Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), Environmental Protection Agency (EPA), and Department of Energy (DOE) are …