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 …
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 …
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.
Home Page | CISA
JCDC unifies cyber defenders from organizations worldwide. This team proactively gathers, analyzes, and shares actionable cyber risk information to enable synchronized, holistic cybersecurity planning, …
Iranian-Affiliated Cyber Actors Exploit Programmable Logic ... - CISA
Apr 7, 2026 · See Table 2 to Table 4 for all referenced threat actor tactics and techniques in this advisory. The authoring agencies recommend organizations review historical TTPs for similar Iranian …
Cybersecurity | Homeland Security
4 days ago · The Department of Homeland Security and its components play a lead role in strengthening cybersecurity resilience across the nation and sectors, investigating malicious cyber activity, and …
CISA and USCG Identify Areas for Cyber Hygiene Improvement After ...
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 organizations to …
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 …
4 Things You Can Do To Keep Yourself Cyber Safe - CISA
Dec 18, 2022 · Some of the simplest steps can mean the difference between a successful cyber intrusion and one that fails. CISA recommends that every individual and organization take four …
Cybersecurity Alerts & Advisories | CISA
Apr 24, 2026 · Cybersecurity Advisory: Provides detailed information on cyber threats, including threat actor tactics, techniques, and procedures and indicators of compromise, along with recommended …