Curated Cyber Threat Intelligence

Threat Feed

Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.

scheduleUpdated 2026-10-28 · 04:17 UTC
articleTotal: 1890 reports

Filtered Reports

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TA419 Targets U.S. AI Policy Experts With Microsoft AitM Phishinghighperson_alertThreat Actor
person_alertThreat Actor

TA419 Targets U.S. AI Policy Experts With Microsoft AitM Phishing

TA419 is a China-aligned, espionage-motivated threat actor attributed by Proofpoint. Active since at least April 2025, the group conducts credential phishing campaigns targeting individuals at U.S.

Microsoft4 Oct · 05:20 UTC
ShinyHunters Member "Rey" Detained in Jordan, Cooperating with FBIhighperson_alertThreat Actor
person_alertThreat Actor

ShinyHunters Member "Rey" Detained in Jordan, Cooperating with FBI

ShinyHunters is a cybercrime group specializing in data theft and extortion operations. The group has gained notoriety for breaching organizations, exfiltrating sensitive data, and either selling stolen databases on underground forums or leveraging t…

BleepingComputer3 Oct · 17:09 UTC
China MSS Funded 100+ U.K. Academics via CGTRI Front Companyhighperson_alertThreat Actor
person_alertThreat Actor

China MSS Funded 100+ U.K. Academics via CGTRI Front Company

China's Ministry of State Security (MSS) is the principal civilian intelligence agency of the People's Republic of China, responsible for counterintelligence, foreign intelligence, and political security.

The Hacker News3 Oct · 12:38 UTC
DTU breach exposes 200,000 records via compromised IAM credentialshighpublicGeopolitical
publicGeopolitical

DTU breach exposes 200,000 records via compromised IAM credentials

The breach at Denmark's Technical University (DTU) represents a significant compromise of a critical research and education institution within a NATO member state and key European Union partner.

Technical University of Denmark3 Oct · 12:35 UTC
Warlock: China-Linked Ransomware Group Targets Critical Infrastructurehighperson_alertThreat Actor
person_alertThreat Actor

Warlock: China-Linked Ransomware Group Targets Critical Infrastructure

Warlock is a China-linked ransomware group that has demonstrated a focus on critical infrastructure and public sector targets. The actor's motivation appears to align with both financial gain through ransomware operations and potential strategic inte…

Microsoft2 Oct · 16:33 UTC
China-Nexus Actor UAT-11587 Deploys Antino Backdoor Across Asiahighperson_alertThreat Actor
person_alertThreat Actor

China-Nexus Actor UAT-11587 Deploys Antino Backdoor Across Asia

UAT-11587 is a China-nexus threat actor tracked by Cisco Talos, first detected in September 2025 targeting Taiwan's academic, think tank, and civil society policy community.

Microsoft2 Oct · 15:33 UTC
Tren de Aragua sanctioned for $40M ATM jackpotting campaignhighperson_alertThreat Actor
person_alertThreat Actor

Tren de Aragua sanctioned for $40M ATM jackpotting campaign

Tren de Aragua (TdA) is a Venezuelan transnational criminal organization designated by the U.S. Treasury as a Transnational Criminal Organization in July 2024 and by the State Department as a Foreign Terrorist Organization in February 2025.

BleepingComputer2 Oct · 13:20 UTC
Microsoft X Account Hijacked in Cryptocurrency Pump-and-Dump Schemehighperson_alertThreat Actor
person_alertThreat Actor

Microsoft X Account Hijacked in Cryptocurrency Pump-and-Dump Scheme

The threat actors behind this incident remain unidentified. Their motivation appears to be financial gain through a cryptocurrency pump-and-dump scheme, leveraging the compromise of Microsoft's official X (formerly Twitter) account with over 13 milli…

Microsoft2 Oct · 07:29 UTC
Spanish Police Arrest 16-Year-Old Administrator of KillSec Ransomware Grouphighperson_alertThreat Actor
person_alertThreat Actor

Spanish Police Arrest 16-Year-Old Administrator of KillSec Ransomware Group

KillSec is a ransomware-as-a-service (RaaS) operation attributed to a Spain-based 16-year-old suspected administrator and a distributed network of operators across Europe.

The Hacker News1 Oct · 14:55 UTC
KillSec Ransomware Gang Dismantled in Operation KillSwitchhighperson_alertThreat Actor
person_alertThreat Actor

KillSec Ransomware Gang Dismantled in Operation KillSwitch

KillSec is a ransomware and data extortion gang active since approximately 2024. The group is allegedly led by a 16-year-old administrator, with other key members including an 18-year-old developer (who was a minor during some alleged crimes), a nego…

BleepingComputer1 Oct · 12:25 UTC
Government sector cyber threats surge to 27% in Microsoft 2026 reporthighpublicGeopolitical
publicGeopolitical

Government sector cyber threats surge to 27% in Microsoft 2026 report

Microsoft's 2026 Digital Defense Report reveals a substantial escalation in cyber threat activity targeting government agencies, which now represent 27% of observed incidents—a 59% relative increase from 17% in 2025.

Microsoft1 Oct · 12:00 UTC
OpenAI disrupts distillation campaign tied to Moonshot AI associateshighperson_alertThreat Actor
person_alertThreat Actor

OpenAI disrupts distillation campaign tied to Moonshot AI associates

Individuals associated with Moonshot AI, a Chinese AI company based in Beijing, are attributed to this coordinated adversarial distillation campaign. The operators sought to illicitly extract protected reasoning from OpenAI's AI models through system…

OpenAI1 Oct · 08:42 UTC
Apple CoreGraphics CVE-2026-86950 PoC published; in-the-wild use reportedhighbug_reportVulnerability
bug_reportVulnerability

Apple CoreGraphics CVE-2026-86950 PoC published; in-the-wild use reported

Apple CoreGraphics on iOS versions before iOS 27 and macOS Golden Gate 27. Vulnerability triggered via malicious PDF with crafted embedded TrueType font.

CVE-2026-869501 Oct · 03:54 UTC
Star Blizzard deploys CosmicPulse backdoor via new RedFlick techniquehighperson_alertThreat Actor
person_alertThreat Actor

Star Blizzard deploys CosmicPulse backdoor via new RedFlick technique

Star Blizzard (also tracked as SEABORGIUM, Callisto Group, TA446, COLDRIVER) is a Russian state-sponsored threat actor active since 2017. The group is attributed to Russian intelligence services and is motivated by espionage objectives aligned with R…

BleepingComputer30 Sep · 18:34 UTC
Zammad zero-days CVE-2026-102489/102490 exploited in AI-driven breachhighbug_reportVulnerability
bug_reportVulnerability

Zammad zero-days CVE-2026-102489/102490 exploited in AI-driven breach

Zammad open-source ticketing system, all versions prior to version 7. Both self-hosted and hosted deployments affected. Over 2,000 customers and 55,000 users globally, including enterprise and nonprofit organizations.

Zammad30 Sep · 17:49 UTC
Zimbra CVE-2026-73570 exploited to deploy web shells, steal credentialshighbug_reportVulnerability
bug_reportVulnerability

Zimbra CVE-2026-73570 exploited to deploy web shells, steal credentials

Zimbra Collaboration Suite (ZCS) versions prior to 10.1.20. Exploitation requires SNMP notifications enabled and the optional zimbra-snmp package installed. Unauthenticated remote code execution via crafted SMTP requests.

CVE-2026-7357030 Sep · 14:46 UTC
Phishing campaign abuses legitimate MSP360 RMM to deploy ScreenConnecthighbug_reportVulnerability
bug_reportVulnerability

Phishing campaign abuses legitimate MSP360 RMM to deploy ScreenConnect

Organizations using Windows endpoints. Attackers distribute legitimate MSP360 RMM v2.5.0.67 installer via phishing emails with deceptive filenames (meeting invites, PDF readers, Zoom installers). ScreenConnect deployed as secondary RMM.

Microsoft30 Sep · 14:32 UTC
Unidentified Actors Abuse ChatGPT Custom GPTs to Deliver RAT via ClickFixhighperson_alertThreat Actor
person_alertThreat Actor

Unidentified Actors Abuse ChatGPT Custom GPTs to Deliver RAT via ClickFix

The threat actors behind this campaign remain unidentified. Their motivation appears to be financially driven, leveraging trusted AI platforms (ChatGPT Custom GPTs) to conduct social engineering attacks that deliver remote access trojans.

OpenAI30 Sep · 13:00 UTC
Zimbra CVE-2026-73570: Unauthenticated RCE exploited in the wildhighbug_reportVulnerability
bug_reportVulnerability

Zimbra CVE-2026-73570: Unauthenticated RCE exploited in the wild

Zimbra Collaboration Suite versions prior to 10.1.20, when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Internet-facing mail servers are at risk. Exploitation requires no authentication or user interaction.

CVE-2026-7357030 Sep · 12:00 UTC
TeamViewer patches RCE and privilege escalation flaws in client softwarehighbug_reportVulnerability
bug_reportVulnerability

TeamViewer patches RCE and privilege escalation flaws in client software

TeamViewer Full Client and Host software for Windows, Linux, and macOS. Vulnerabilities resolved in version 15.82 and supported maintenance/legacy releases.

TeamViewer30 Sep · 10:25 UTC
CSuite Campaign Steals M365 Sessions, Deploys RMM Tools via Phishinghighperson_alertThreat Actor
person_alertThreat Actor

CSuite Campaign Steals M365 Sessions, Deploys RMM Tools via Phishing

CSuite is a phishing campaign targeting C-suite executives and high-value business users, primarily in the United States. The campaign was analyzed across 351 sandbox submissions, with 51% originating from the US, followed by India (18%), and additio…

Microsoft30 Sep · 08:45 UTC
OpenSSL DTLS flaw leaks heap memory, crashes programs (CVE-2026-84782)highbug_reportVulnerability
bug_reportVulnerability

OpenSSL DTLS flaw leaks heap memory, crashes programs (CVE-2026-84782)

OpenSSL versions 4.0 (before 4.0.3), 3.6 (before 3.6.5), 3.5 (before 3.5.9), 3.4 (before 3.4.8), 3.0, 1.1.1, and 1.0.2. Only affects software using OpenSSL for DTLS connections (e.g., WebRTC, VoIP).

OpenSSL30 Sep · 06:09 UTC
Phishing campaign abuses MSP360 RMM and ScreenConnect for persistent accesshighbug_reportVulnerability
bug_reportVulnerability

Phishing campaign abuses MSP360 RMM and ScreenConnect for persistent access

Organizations across multiple industries targeted via phishing. Legitimate MSP360 RMM v2.5.0.67 installer abused to deploy ConnectWise ScreenConnect, creating redundant remote-access channels.

MSP36029 Sep · 19:39 UTC
Malicious custom ChatGPTs in Google ads deliver RAT via ClickFix attackshighbug_reportVulnerability
bug_reportVulnerability

Malicious custom ChatGPTs in Google ads deliver RAT via ClickFix attacks

Users searching for ChatGPT via Google Search who click sponsored results. Campaign leverages OpenAI's custom GPT feature (retiring December 11, 2026) and Google Sites infrastructure.

OpenAI29 Sep · 18:59 UTC
FBI warns ShinyHunters members to surrender after Dutch arresthighperson_alertThreat Actor
person_alertThreat Actor

FBI warns ShinyHunters members to surrender after Dutch arrest

ShinyHunters is a financially motivated cybercrime group linked to extortion activities targeting organizations in the United States, Netherlands, and globally.

BleepingComputer29 Sep · 18:09 UTC
Former US Air Force Members Sentenced for Multi-Year BEC Fraudhighperson_alertThreat Actor
person_alertThreat Actor

Former US Air Force Members Sentenced for Multi-Year BEC Fraud

Chijioke Timothy Odimegwu (25) and Harafat Mogaji (26) are former United States Air Force members who conducted business email compromise (BEC) scams and phishing campaigns while stationed at Dover Air Force Base in Delaware.

BleepingComputer29 Sep · 16:09 UTC
French Tax Breach Exposes 600K Records via Stolen Credentials, Weak ControlshighpublicGeopolitical
publicGeopolitical

French Tax Breach Exposes 600K Records via Stolen Credentials, Weak Controls

The seven-week breach of France's Direction Générale des Finances Publiques (DGFIP) represents a significant compromise of sovereign fiscal infrastructure, exposing tax data on approximately 350,000 individuals and 250,000 businesses.

France's Tax Administration29 Sep · 15:47 UTC
New Spectre-v2 BTR variant bypasses defenses, leaks Linux kernel memoryhighbug_reportVulnerability
bug_reportVulnerability

New Spectre-v2 BTR variant bypasses defenses, leaks Linux kernel memory

JIT engines in Mozilla Firefox (SpiderMonkey), GraalVM, and Linux kernel cBPF JIT across Intel, AMD, and other CPU vendors. Affects systems with speculative execution despite existing Spectre-v2 mitigations.

Multiple CPU vendors29 Sep · 15:20 UTC
Star Blizzard Deploys CosmicPulse Backdoor via Fake Event Invitationshighperson_alertThreat Actor
person_alertThreat Actor

Star Blizzard Deploys CosmicPulse Backdoor via Fake Event Invitations

Star Blizzard (also tracked as SEABORGIUM, Callisto Group, TA446, COLDRIVER) is a Russian state-sponsored threat actor attributed by U.S., U.K., Australian, Canadian, and New Zealand security agencies to Center 18 of Russia's Federal Security Service…

The Hacker News29 Sep · 15:20 UTC
New Spectre v2 BTR variant leaks Linux root hashes in 3-5 minutes on Intelhighbug_reportVulnerability
bug_reportVulnerability

New Spectre v2 BTR variant leaks Linux root hashes in 3-5 minutes on Intel

Intel, AMD, and Arm CPUs with indirect branch prediction. Confirmed exploitable on Linux kernel cBPF (default and constant blinding configurations). Firefox SpiderMonkey and Oracle GraalVM also affected but full exploits not demonstrated.

CVE-2017-571529 Sep · 15:10 UTC