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, …

Dec 8, 2025 · CISA provides information on cybersecurity best practices to help individuals and organizations implement preventative measures and manage cyber risks.

Sep 23, 2024 · 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 …

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

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

Cyber Essentials CISA's Cyber Essentials is a guide for leaders of small businesses as well as leaders of small and local government agencies to develop an actionable understanding of …

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

Nov 12, 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 …

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, …

Jan 15, 2025 · As America’s Cyber Defense Agency and the National Coordinator for critical infrastructure security and resilience, CISA’s mission is to safeguard America’s critical …