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 availability of information. It seems that everything relies on computers and the internet now—communication (e.g., email, smartphones, tablets), entertainment (e.g., …

Aug 1, 2025 · Iranian Cyber Actors May Target Vulnerable US Networks and Entities of Interest CISA, FBI, DC3, and NSA strongly urge organizations to remain vigilant for potential targeted cyber activity against U.S. critical infrastructure and …

May 6, 2025 · CISA provides information on cybersecurity best practices to help individuals and organizations implement preventative measures and manage cyber risks.

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 free cybersecurity services and tools provided by the private and public sector to help organizations further advance their security capabilities.

Over the years, it has grown into a collaborative effort between government and industry to enhance cybersecurity awareness, encourage actions by the public to reduce online risk, and generate discussion on cyber threats on a national and global scale. October 2025 marks the 22 nd Cybersecurity Awareness Month.

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 the National Cybersecurity Strategy and nested under CISA’s 2023–2025 Strategic Plan, the Cybersecurity Strategic Plan provides a blueprint for how the agency will pursue a future in …

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 latest cybersecurity risks, attacks, and vulnerabilities, providing our nation with the tools and resources needed to defend against these threats.

Jul 31, 2025 · Cybersecurity and Infrastructure Security Agency (CISA) The Cybersecurity and Infrastructure Security Agency (CISA) leads the national effort to understand, manage, and reduce risk to our cyber and physical infrastructure.

Jun 7, 2024 · Malware, phishing, and ransomware are common forms of cyber-attacks. CISA offers the tools and services needed to protect against and rapidly respond to attacks.

Jul 22, 2025 · Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors. These #StopRansomware advisories include recently and historically observed tactics, techniques, and procedures (TTPs) and indicators of …