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.
Poland Energy Sector Cyber Incident Highlights OT and ICS ... - CISA
In December 2025, a malicious cyber actor (s) targeted and compromised operational technology (OT) and industrial control systems (ICS) in Poland’s Energy Sector—specifically renewable energy …
Home Page | CISA
Feb 26, 2026 · JCDC unifies cyber defenders from organizations worldwide. This team proactively gathers, analyzes, and shares actionable cyber risk information to enable synchronized, holistic …
No-Cost Cybersecurity Services & Tools | CISA
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 no …
Cybersecurity | Homeland Security
Jan 12, 2026 · Cybersecurity and Infrastructure Security Agency (CISA) Cyber Safety Review Board (CSRB) The Cyber Safety Review Board (CSRB), an independent public-private advisory body …
CISA and USCG Identify Areas for Cyber Hygiene Improvement After ...
Jul 31, 2025 · CISA and USCG Identify Areas for Cyber Hygiene Improvement After Conducting Proactive Threat Hunt at US Critical Infrastructure Organization
Spyware Allows Cyber Threat Actors to Target Users of Messaging ...
Nov 24, 2025 · CISA is aware of multiple cyber threat actors actively leveraging commercial spyware to target users of mobile messaging applications (apps). 1 These cyber actors use sophisticated …
CISA Orders Federal Agencies to Strengthen Edge Device Security …
Feb 5, 2026 · Persistent cyber threat actors are increasingly exploiting unsupported edge devices - hardware and software that no longer receive vendor updates to firmware or other security patches. …