Threat Feed
Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.
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highbug_reportVulnerabilityZero-day PoC blocks Microsoft Defender updates via disk exhaustion
Microsoft Defender on all supported Windows versions. No patch available. Tool published September 19, 2026 by Abdelhamid Naceri. No CVE assigned.
highperson_alertThreat ActorEvilTokens PhaaS disrupted after 12,000 Microsoft account compromise
EvilTokens (tracked by Microsoft as Storm-2992) is a Phishing-as-a-Service (PhaaS) platform that emerged in February 2026. The operation was administered by two suspects, aged 32 and 38, arrested in the U.K.
highperson_alertThreat ActorNorth Korea's Contagious Interview Campaign Steals $10.71M in Crypto
North Korean state-sponsored threat actors operating under the 313 General Bureau of the Munitions Industry Department. The activity is tracked under multiple names including CL-STA-0240, DeceptiveDevelopment, DEV#POPPER, Famous Chollima, Gwisin Gang…
highperson_alertThreat ActorTASK#STOMP campaign deploys PowerShell backdoor for data theft
TASK#STOMP is a newly disclosed campaign (not a named threat actor group) that delivers a sophisticated PowerShell-based backdoor framework. The campaign's origin and attribution remain unknown.
highperson_alertThreat ActorClickFix Lures Deploy ChainScript RAT via Polygon Blockchain C2
The Blackpoint Adversary Pursuit Group has identified threat actors leveraging ClickFix-style social engineering lures to distribute ChainScript, a previously undocumented remote access trojan.
highperson_alertThreat ActorJade Sleet Breaches Indian IT Provider Using FLATROOF and ROOFDECK
Jade Sleet (also tracked as PUKCHONG, Slow Pisces, TraderTraitor, UNC4899) is a North Korean state-sponsored threat actor with a history of targeting the Web3 and cryptocurrency sectors for financial gain.
highbug_reportVulnerabilityClaude Opus 5 used to chain forum RCE and SSO flaw, breach OpenAI staff accounts
OpenAI's public help forum (running Discourse with libheif 1.19.7 on Debian 12) and OpenAI's single sign-on (SSO) system. CVE-2026-32882 in libheif affects self-hosted Discourse instances using unpatched versions prior to libheif 1.22.0.
highbug_reportVulnerabilityBragJack PoC hijacks AI assistants via malicious browser extensions
AI assistants in Google Chrome, Microsoft Edge, Opera Neon, Perplexity Comet, and Anthropic Claude (Chrome). Attack vector: malicious browser extensions using Prompt Forcing technique. Specific affected versions not disclosed.
highperson_alertThreat ActorWaterPlum compromises 30K devices, steals $10.7M in cryptocurrency
WaterPlum is a North Korean state-sponsored hacking group attributed to operations between December 2025 and July 2026. The group is financially motivated, conducting large-scale compromise campaigns to generate revenue for the North Korean regime th…
highperson_alertThreat ActorShinyHunters Breaches Clop Ransomware Gang's Leak Site via Grav CMS Flaw
ShinyHunters is an extortion gang active since at least 2019, known for data theft operations and high-profile breaches. The group uses Umbreon (Pokémon) as its logo and has previously defaced HackForums in August 2020.
highperson_alertThreat ActorTransparent Tribe Deploys Rust Backdoors via GitHub C2 Infrastructure
Transparent Tribe (also tracked as APT36, Earth Karkaddan, COPPER FIELDSTONE, Mythic Leopard, and ProjectM) is a Pakistan-aligned advanced persistent threat group with sustained focus on South Asian geopolitical targets.
highbug_reportVulnerability13 malicious npm packages deliver WeaselBiscuit stealer targeting Chrome data
13 npm packages (@biz44/id10-client, @biz44/id12-client, @biz44/id44-client, @biz44/id79-client, @biz44/id95-client, @biz44/id99-client, @biz44/process-runtime-utils, @biz44/runtime-utils, engin1, id79-client, process-lhpm, process-mite, process-tail…
highbug_reportVulnerabilityLLM-generated PhantomRaven stealer distributed via 100+ npm packages
npm package registry users and developers; over 100 malicious packages uploaded between November 2022 and October 2025. Threat actor also attempted PyPI repository compromise.
highperson_alertThreat ActorHandala Hack Deploys HEAVYGRAM Telegram Backdoor for Surveillance
Handala Hack is an Iran-linked hacktivist persona attributed to VOID MANTICORE (also tracked as COBALT MYSTIQUE, Banished Kitten, Red Sandstorm, and Storm-0842), a threat actor affiliated with Iran's Ministry of Intelligence and Security (MOIS).
highperson_alertThreat ActorFamousSparrow Deploys SparroWocky Backdoor in Latin America Campaign
FamousSparrow is a China-aligned state-sponsored threat actor assessed to be active since at least 2019. The group shares some level of overlap with Earth Estries and Salt Typhoon.
highperson_alertThreat ActorFamousSparrow deploys SparroWocky backdoor in Latin America espionage
FamousSparrow is a China-linked APT group conducting espionage operations primarily targeting government organizations. Attributed by ESET, the group demonstrates strong knowledge of anti-analysis techniques and Windows internals, indicating a well-r…
highperson_alertThreat ActorIranian State-Linked Hackers Deploy CHOSEN BRICK Malware
Iranian state-linked threat actors conducting espionage operations targeting dissidents, activists, and journalists globally. The activity is attributed to Iranian intelligence services and is assessed to support regime repression efforts against per…
highperson_alertThreat ActorNightEagle, Hacking Cat, and Toy Ghouls Target Russian Enterprises
Three distinct threat activity clusters are actively targeting Russian enterprises. NightEagle (APT-Q-95) is a sophisticated threat actor active since at least 2023, employing advanced persistence and lateral movement techniques.
highbug_reportVulnerabilityBrowser extensions can hijack AI agents in Chrome, Edge, Comet, Opera, Claude
Chromium-based browsers with embedded AI assistants: Google Chrome (fixed in v143.0.7499.192, Jan 2026), Microsoft Edge (fixed in v150.0.4078.48, July 2026), Perplexity Comet, Opera Neon, and Claude in Chrome extension.
highbug_reportVulnerabilityAI coding assistant hijacked to spread Shai-Hulud worm across 100 repos
Unnamed SaaS provider; approximately 100 internal code repositories compromised. Attack vector: AI coding assistant session hijack leading to poisoned PyPI package installation, GitHub OAuth token theft, and Shai-Hulud worm deployment.
highperson_alertThreat ActorN0va Targets US and EU Orgs with Token-Theft Phishing Campaigns
N0va is a threat actor conducting phishing campaigns targeting organizations across North America and Europe. The actor's motivation appears to be financially driven, with objectives including payment fraud, invoice manipulation, and access to sensit…
highperson_alertThreat ActorREF9334 Deploys KREMLIN Malware Targeting Brazilian Financial Sector
REF9334 is a Brazilian threat actor tracked by Elastic Security Labs, active since at least May 2025. The actor specializes in banking fraud operations targeting Brazilian financial institutions through sophisticated malware delivery campaigns.
highperson_alertThreat ActorIran MOIS Uses Telegram-Controlled Malware to Target Dissidents
Iran's Ministry of Intelligence and Security (MOIS), the country's primary intelligence agency, is attributed by the FBI, UK NCSC, and Netherlands AIVD as the operator behind this espionage campaign.
criticalperson_alertThreat ActorCVE-2026-59310: VMware vCenter RCE exploited by ransomware gangs
No specific threat actor attribution is provided. The campaign involves multiple ransomware gangs actively exploiting CVE-2026-59310, a critical directory traversal vulnerability in VMware vCenter.
highperson_alertThreat ActorIranian State Actors Deploy CHOSEN BRICK Against Dissidents Globally
Iranian state cyber actors are attributed by NCSC UK, FBI, and AIVD to deploying CHOSEN BRICK malware against dissidents, activists, and journalists perceived as threats to the Iranian regime.
highperson_alertThreat ActorIranian State Actors Deploy CHOSEN BRICK Spyware Against Dissidents
Iranian state-sponsored cyber actors conducting surveillance operations against individuals perceived as threats to the Iranian regime. The NCSC assesses that Iran almost certainly uses cyber activity to support repression of dissidents, activists, a…
highperson_alertThreat ActorBlack Axe Leaders Extradited to US for Wire Fraud and Money Laundering
Black Axe is a transnational cybercrime syndicate founded in 1977 in Nigeria, now recognized as one of the world's most dangerous and far-reaching criminal organizations.
highperson_alertThreat ActorUTA0560 Exploits Chrome-Windows Zero-Day Chain to Deploy GRIMWEDGE
UTA0560 is a Chinese-linked threat actor tracked by Volexity that conducts cyber espionage operations targeting non-governmental organizations. The actor demonstrates sophisticated capabilities in exploiting zero-day vulnerabilities and conducting sp…
highperson_alertThreat Actor3BB Broadband Intrusion: MeshCentral Backdoor Used for Root Access
The threat actor behind this intrusion remains unattributed. The operation targeted 3BB, Thailand's largest broadband provider, with the apparent objective of exfiltrating subscriber credential databases.
highperson_alertThreat ActorRed Heron Exploits Gitea RCE to Compromise 13 Organizations
Red Heron is a suspected Chinese threat actor attributed with moderate confidence to operating within a China-linked context. Attribution is based on the use of Simplified Chinese labels for target classification, consistent classification of Taiwan…