Nov 12, 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 latest …

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 …

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

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, tribal, …

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 confidence, civil liberties, …

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 cyber …

JCDC unifies cyber defenders from organizations worldwide. This team proactively gathers, analyzes, and shares actionable cyber risk information to enable synchronized, holistic cybersecurity planning, …

The FY2024-2026 Cybersecurity Strategic Plan guides CISA’s efforts in pursuit of a new vision for cybersecurity: a vision grounded in collaboration, in innovation, and in accountability. Aligned with …

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 Advisories Malware, …

Sep 3, 2025 · The authoring agencies strongly urge network defenders to hunt for malicious activity and to apply the mitigations in this CSA to reduce the threat of Chinese state-sponsored and other …