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GreyNoise has described a revised detection engineering approach that uses agentic workflows built on frontier large language models to keep pace with rising CVE volumes. The post says CVE entries grew from 16,510 in 2018 to 48,162 in 2025, and that generative AI has contributed to 130% growth from 2022 through 2025. It also claims the me…
GreyNoise has released a redesigned GreyNoise Visualizer with a persistent sidebar organized into three areas: Intelligence (IPs and CVEs), Observation (Deception Sensors) and Automation (alerts, feeds, blocklists). The update is product news and describes no threat, vulnerability or incident. It adds global search (Command + K) across IP…
GreyNoise announced that a former Head of Global Signals Operations at Google Threat Intelligence Group (GTIG), who joined Google through its 2022 acquisition of Mandiant, is its new Senior Vice President of Adversary Operations. This is a personnel and business announcement with no incident, vulnerability or active campaign. The post say…
GreyNoise announced the Threat Brief Library in the GreyNoise Visualizer, a searchable and filterable repository of its threat intelligence briefs, downloadable as PDF. The library holds three report types: the weekly At The Edge brief, event-driven Executive Situation Reports on single campaigns or actively exploited vulnerabilities, and…
GreyNoise observed automated scanners impersonating the web crawlers of OpenAI, Anthropic, Google, Perplexity, DeepSeek and Amazon while requesting environment files, cloud access keys, private keys and password stores. A cluster of 13 forged AI crawler names from eight companies was seen; six names (belonging to Anthropic, OpenAI, Google…
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…
GreyNoise reports a proxyjacking campaign by a malicious cyber actor (tracked as skynox7) that exploited network edge devices globally to covertly install Pawns.app proxyware and monetize victims' bandwidth. At least 143 devices in 34 countries were compromised, and the actor also appeared to target other DVR/NVR brands such as Hikvision …
On 24 September 2026, GreyNoise observed a malicious actor using 149.104.78.141 to attempt pre-disclosure zero-day exploitation of a Citrix NetScaler Gateway on a Project Swarm participant sensor. No CVE-specific detections existed at the time, but behavioral detections labeled the activity malicious within seconds. The attempt failed to …
GreyNoise observed an increase in scanning and exploitation attempts against Digital Video Recorders (DVRs) in Ukraine between 21 September and 1 October 2026, coinciding with an escalation in Russian strikes. Most of the activity targeted CVE-2021-36260, an unauthenticated command injection flaw in unpatched Hikvision products. GreyNoise…
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…
