Threat Feed
Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.
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highperson_alertThreat ActorScarCruft Deploys NarwhalRAT via Microsoft Account Phishing Lures
ScarCruft (also tracked as APT37, InkySquid, Reaper, and Group123) is a North Korean state-sponsored advanced persistent threat group. The actor is attributed to North Korea's intelligence apparatus and conducts espionage operations aligned with Pyon…
criticalperson_alertThreat ActorChina-linked espionage group targets North American research networks
A China-linked espionage group conducted a sustained intrusion campaign lasting over one year against North American institutions. The actor's motivation appears to be intelligence collection focused on medical research, academic intellectual propert…
criticalperson_alertThreat ActorChinese state-sponsored hackers maintain 10-year persistent access
Chinese state-sponsored hackers, likely an advanced persistent threat (APT) group operating on behalf of the People's Republic of China. The actor demonstrated exceptional operational security and patience, maintaining covert access to a target organ…
criticalperson_alertThreat ActorVelvet Ant: China-linked APT backdoors Linux auth for decade-long access
Velvet Ant (G1047) is a China-linked advanced persistent threat actor characterized by exceptional operational security and long-term persistence capabilities.
highperson_alertThreat ActorOceanLotus Targets Vietnamese Infrastructure with SPECTRALVIPER Backdoor
OceanLotus (also tracked as APT32, SeaLotus, APT-C-00, and Canvas Cyclone) is a Vietnam-aligned advanced persistent threat group attributed by multiple vendors to conducting cyber espionage operations.
highperson_alertThreat ActorChina-Nexus Actors Expand JDY Botnet to 1,500+ IoT/SOHO Devices
China-nexus state-sponsored threat actors operating the JDY botnet infrastructure. The actors leverage compromised small office/home office (SOHO) routers and IoT devices to build a distributed scanning platform for cyber reconnaissance operations.
highperson_alertThreat ActorVolt Typhoon Expands JDY Botnet Operations Against U.S. Military
Volt Typhoon (also tracked as BRONZE SILHOUETTE, Vanguard Panda, DEV-0391, and UNC3236) is a Chinese state-sponsored APT group attributed to conducting cyber espionage operations targeting critical infrastructure.
highperson_alertThreat ActorMeta blocks NSO Group spear-phishing targeting WhatsApp users
NSO Group is an Israeli commercial surveillance vendor that develops and sells offensive cyber capabilities, primarily the Pegasus spyware platform, to government clients.
highperson_alertThreat ActorVerdantBamboo deploys BSD BRICKSTORM variant with Linux malware
VerdantBamboo is a China-nexus cyber espionage group attributed by Volexity, with operational overlap with the threat cluster known as Clay Typhoon. The actor focuses on intelligence collection operations and has demonstrated cross-platform capabilit…
highperson_alertThreat ActorUNC5221 Deploys Brickstorm, Plenet, AgentPSD in M365 Espionage Campaign
UNC5221 is a Chinese APT group attributed to conducting cyber espionage operations. The group demonstrates advanced capabilities in targeting cloud environments, specifically Microsoft 365 infrastructure.
highperson_alertThreat ActorOP-512 Targets IIS Servers with Custom Web Shell Framework
OP-512 is a previously unreported threat cluster assessed by ReliaQuest with moderate to high confidence to be linked to China. The actor demonstrates espionage-focused objectives, leveraging custom web shell frameworks to compromise Microsoft Intern…
highperson_alertThreat ActorGREYVIBE: Russian-linked APT targeting Ukraine since August 2025
GREYVIBE is a previously undocumented threat actor attributed by WithSecure as Russian-linked, assessed to operate in support of Kremlin state interests. The group is characterized as Russian-speaking and operates within Russian time zones.
highperson_alertThreat ActorKimsuky Targets South Korean Military and Corporate Sectors
Kimsuky (also tracked as Velvet Chollima, Black Banshee, Emerald Sleet, and THALLIUM) is a North Korean state-sponsored advanced persistent threat group.
highperson_alertThreat ActorMuddyWater Q1 2026 espionage campaign hits nine countries via DLL side-loading
MuddyWater (also tracked as Earth Vetala, MERCURY, Static Kitten, and Seedworm) is an Iranian state-sponsored APT group attributed to Iran's Ministry of Intelligence and Security (MOIS).
highperson_alertThreat ActorLazarus Group deploys RemotePE cross-platform RAT against finance sector
Lazarus Group is a North Korean state-sponsored advanced persistent threat (APT) actor attributed to the Reconnaissance General Bureau (RGB). The group is financially motivated, conducting operations to generate revenue for the DPRK regime through th…
highperson_alertThreat ActorScreening Serpens: Iranian APT Targets Tech and Defense with RAT Malware
Screening Serpens is an Iranian APT group attributed by Unit 42, conducting cyber espionage operations. The group is motivated by intelligence collection targeting technology and defense sectors, consistent with Iranian state interests in acquiring s…
highperson_alertThreat ActorROADtools Framework Misused in Nation-State Cloud Intrusions
Multiple threat actors, including nation-state groups, are misusing the open-source ROADtools framework for cloud intrusions. ROADtools is a legitimate Azure AD reconnaissance toolkit designed for security assessments, but has been co-opted by advers…
highperson_alertThreat ActorWebworm Deploys EchoCreep and GraphWorm Backdoors via Discord and Graph API
Webworm is a China-aligned advanced persistent threat (APT) actor first documented by Symantec in September 2022, with activity traced back to at least 2022.
highperson_alertThreat ActorNCSC UK Issues Guidance on China-Nexus Covert Device Networks
China-nexus threat actors are state-sponsored groups linked to the People's Republic of China. These actors are motivated by strategic intelligence collection, espionage, and maintaining persistent access to foreign networks.
highperson_alertThreat ActorNCSC UK Issues Advisory on China-Linked Covert Network Tactics
China-linked threat actors employing covert network tactics to conceal malicious cyber activity. These actors are characterized by their use of sophisticated techniques to maintain persistent, stealthy access to compromised networks.