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, …
Cybersecurity Best Practices | Cybersecurity and Infrastructure
Dec 8, 2025 · CISA provides information on cybersecurity best practices to help individuals and organizations implement preventative measures and manage cyber risks.
Home Page | CISA
Dec 4, 2025 · JCDC unifies cyber defenders from organizations worldwide. This team proactively gathers, analyzes, and shares actionable cyber risk information to enable synchronized, …
Cybersecurity | Homeland Security
Sep 29, 2025 · Cybersecurity and Infrastructure Security Agency (CISA) Cyber Safety Review Board (CSRB) The Cyber Safety Review Board (CSRB), an independent public-private …
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) …
2024 Year in Review - CISA
In FY24, JCDC released almost 1,300 cyber defense alerts, advisories, and products, including 58 joint-sealed cybersecurity advisories and co-sealed products. These included the first products …
DHS Announces $279.9 million in Grant Funding for the Fiscal Year …
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 …
CISA and FBI Warn of Malicious Cyber Actors Using Buffer …
Feb 12, 2025 · CISA and the Federal Bureau of Investigation (FBI) have released a Secure by Design Alert, Eliminating Buffer Overflow Vulnerabilities, as part of their cooperative Secure by …
Iranian Cyber Actors’ Brute Force and Credential Access Activity ...
Oct 16, 2024 · Intrusion events connected to this Iranian group may also include a different set of cyber actors–likely the third-party actors who purchased access from the Iranian group via …
CISA and USCG Identify Areas for Cyber Hygiene Improvement …
Jul 31, 2025 · Recommendations to reduce cyber risk are listed for each of CISA’s findings during this engagement and are ordered starting from the highest to lowest importance for …