A joint advisory (AA25-343A) from FBI, CISA, NSA and some 18 other US, European, Five Eyes and Czech agencies warns that pro-Russia hacktivist groups are conducting opportunistic, low-sophistication attacks on critical infrastructure OT. The groups named are Cyber Army of Russia Reborn (CARR), Z-Pentest, NoName057(16) and Sector16. They e…
The FBI, CISA, NSA, EPA, DOE, CNMF and Treasury warn of ongoing exploitation of internet-exposed PLCs by an Iranian-affiliated APT group, with activity observed since at least March 2026. Targets are Rockwell Automation/Allen-Bradley, Schneider Electric and Siemens PLCs in the Government Services and Facilities, Water and Wastewater Syste…
CISA and the UK NCSC, with co-sealing partners, published advisory AA26-113A on China-nexus cyber actors' use of large, dynamic covert networks of compromised devices, mainly SOHO routers and IoT devices. These networks are shared by multiple threat actors and each may contain hundreds of thousands of endpoints. This makes static IP block…
A multinational advisory (CISA, NSA, FBI, AIVD, MIVD, NCSC-UK and others) warns that the Russian state-supported APT LAUNDRY BEAR (aka Void Blizzard, TA488) has compromised Western government, defense industrial base and NGO organizations running Zimbra Collaboration Suite (ZCS) since at least July 2025. The campaign uses a view-based XSS…
A joint advisory (AA26-194a) from NSA, CISA, FBI, DC3 and 15 allied agencies warns that Russian FSB Center 16 cyber actors continue to opportunistically compromise poorly configured and vulnerable networking devices worldwide, primarily routers. The advisory builds on the FBI's August 2025 PSA on the decade-plus campaign and adds TTPs. Go…
The FBI, CISA, DC3, NSA, USSS and the Republic of Korea's KNPA issued joint advisory AA26-222A on Gunra ransomware. Gunra appeared in April 2025 as a double-extortion variant derived from the leaked Conti source code. It launched a structured RaaS affiliate program in January 2026, also operating under the alias Golden Community, and recr…
The NSA, CISA, FBI, DOE and EPA issued a joint advisory (AA26-231A) warning of an active threat to Siemens S7 Series PLCs in U.S. critical infrastructure. Unattributed threat actors are conducting reconnaissance and capability development against U.S.-based installations using AI-generated exploitation scripts disguised as legitimate OT m…
CISA ran concurrent red team assessments at two organizations: Organization A (Government Services and Facilities) and Organization B (Water and Wastewater Systems). Both reached full domain compromise and accessed sensitive business systems (SBSs) and cloud resources. Organization A did not detect or contain the activity. Organization B …
The NSA, CISA and FBI issued joint advisory AA26-251A warning that China-based AI companies are running industrial-scale knowledge distillation campaigns against U.S. frontier AI models. The named companies are DeepSeek, Moonshot AI, Alibaba, MiniMax, StepFun and Z.AI. According to the agencies, they have extracted billions of tokens acro…
A joint advisory (AA26-281A) attributes China-based malicious cyber activity to Integrity Technology Group (Integrity Tech), a for-profit company with links to the Chinese government. The company builds and sells tools, hosts infrastructure and compromises networks worldwide. The actors' TTPs are consistent with Flax Typhoon, Ethereal Pan…
CISA added three vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of active exploitation. Two affect JFrog Artifactory: CVE-2026-42016 (incorrect authorization) and CVE-2026-42018 (improper authentication). The third is CVE-2026-84869 in ConnectWise ScreenConnect (improper privilege management and mis…
CISA added two vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of active exploitation: CVE-2026-76460, an incorrect use of privileged APIs flaw in Cisco Identity Services Engine, and CVE-2026-87886, an incorrect default permissions flaw in Acronis Backup. CISA describes these vulnerability types as a…
CISA added two Linux Kernel vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of active exploitation: CVE-2025-39964, a race condition flaw, and CVE-2026-53266, an out-of-bounds write flaw. CISA describes these vulnerability types as a frequent attack vector for malicious cyber actors and a significant…
CISA added one vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog on 2026-09-16 based on evidence of active exploitation: CVE-2026-58704, an improper authorization vulnerability in Google Pixel. CISA describes this vulnerability type as a frequent attack vector for malicious cyber actors and a significant risk to the feder…
CISA added one vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog on 2026-09-14 based on evidence of active exploitation: CVE-2026-76461, a SQL injection vulnerability in Cisco Secure Email Gateway. CISA describes this vulnerability type as a frequent attack vector for malicious cyber actors and a significant risk to the f…
CISA added one vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog on 2026-09-11 based on evidence of active exploitation: CVE-2026-85706, a path traversal vulnerability in GitLab Community Edition (CE) and Enterprise Edition (EE). CISA describes this vulnerability type as a frequent attack vector for malicious cyber actors…
CISA added two vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of active exploitation: CVE-2026-65660, a code injection flaw in Microsoft SharePoint, and CVE-2026-67279, an improper enforcement of behavioral workflow flaw in MikroTik RouterOS. CISA describes these vulnerability types as a frequent at…
CISA added four vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog on 2026-09-22, citing evidence of active exploitation. The entries affect Check Point (two flaws in multiple products), Arista VeloCloud Orchestrator and F5 BIG-IP APM. The alert gives no exploitation details, threat actor attribution or IOCs. CISA notes …
CISA added two vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of active exploitation: CVE-2026-5430, a path traversal flaw in multiple WSO2 products, and CVE-2026-71362, an incorrect authorization flaw in Adobe Commerce and Magento. CISA describes these vulnerability types as a frequent attack vecto…
CISA added one vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog on 2026-09-21 based on evidence of active exploitation: CVE-2026-7273, a stack-based buffer overflow in Zyxel GS1900 Series Switches. CISA describes this vulnerability type as a frequent attack vector for malicious cyber actors and a significant risk to the …