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 …
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 …
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 …
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 …
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 …
Cybersecurity Alerts & Advisories | CISA
Apr 20, 2026 · Cybersecurity Advisory: Provides detailed information on cyber threats, including threat actor tactics, techniques, and procedures and indicators of compromise, along with recommended …
National Terrorism Advisory System Bulletin - Homeland Security
Jun 22, 2025 · Low-level cyber attacks against US networks by pro-Iranian hacktivists are likely, and cyber actors affiliated with the Iranian government may conduct attacks against US networks. Iran …
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 …
CISA Urges Endpoint Management System Hardening After …
Mar 18, 2026 · CISA is aware of malicious cyber activity targeting endpoint management systems of U.S. organizations based on the March 11, 2026 cyberattack against U.S.-based medical technology …
Shields Up | CISA
SHIELDS UP! As the nation’s cyber defense agency, CISA stands ready to help organizations prepare for, respond to, and mitigate the impact of cyberattacks.