Category

Critical

10 articles
All News Malware Ransomware Breaches Vulnerabilities Nation-State CVEs
CVE
Iranian-Affiliated Cyber Actors Exploit Programmable Logic Controllers Across US Critical Infrastructure
Advisory at a Glance Title Iranian-Affiliated Cyber Actors Exploit Programmable Logic Controllers Across US Critical Infrastruc…
CISA Advisories · Apr 6, 2026 · CRITICAL
CVE
Pro-Russia Hacktivists Conduct Opportunistic Attacks Against US and Global Critical Infrastructure
Summary Note: This joint Cybersecurity Advisory is being published as an addition to the Cybersecurity and Infrastructure Security…
CISA Advisories · Dec 5, 2025 · CRITICAL
CVE
CISA Shares Lessons Learned from an Incident Response Engagement
Advisory at a Glance Executive Summary CISA began incident response efforts at a U.S. federal civilian executive branch (FCEB) …
CISA Advisories · Sep 22, 2025 · LOW
CVE
Countering Chinese State-Sponsored Actors Compromise of Networks Worldwide to Feed Global Espionage System
Executive summary People’s Republic of China (PRC) state-sponsored cyber threat actors are targeting networks globally, including,…
CISA Advisories · Aug 25, 2025 · LOW
CVE
CISA and USCG Identify Areas for Cyber Hygiene Improvement After Conducting Proactive Threat Hunt at US Critical Infrastructure Organization
Summary The Cybersecurity and Infrastructure Security Agency (CISA) and U.S. Coast Guard (USCG) are issuing this Cybersecurity Adv…
CISA Advisories · Jul 29, 2025 · CRITICAL
CVE
#StopRansomware: Interlock
Summary Note: This joint Cybersecurity Advisory is part of an ongoing #StopRansomware effort to publish advisories for network def…
CISA Advisories · Jul 21, 2025 · HIGH
CVE
Ransomware Actors Exploit Unpatched SimpleHelp Remote Monitoring and Management to Compromise Utility Billing Software Provider
Summary The Cybersecurity and Infrastructure Security Agency (CISA) is releasing this advisory in response to ransomware actors le…
CISA Advisories · Jun 12, 2025 · HIGH
CVE
Threat Actors Deploy LummaC2 Malware to Exfiltrate Sensitive Data from Organizations
Summary The Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) are releasing th…
CISA Advisories · May 20, 2025 · LOW
CVE
Russian GRU Targeting Western Logistics Entities and Technology Companies
Executive Summary This joint cybersecurity advisory (CSA) highlights a Russian state-sponsored cyber campaign targeting Western lo…
CISA Advisories · May 12, 2025 · LOW
CVE
Fast Flux: A National Security Threat
Executive summary Many networks have a gap in their defenses for detecting and blocking a malicious technique known as “fast flux.…
CISA Advisories · Apr 1, 2025 · LOW