Curated Cyber Threat Intelligence

Threat Feed

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

scheduleUpdated 2026-09-04 · 02:17 UTC
articleTotal: 1172 reports

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F5 BIG-IP Exploitation Leads to Confluence Compromise and Lateral Movementhighperson_alertThreat Actor
person_alertThreat Actor

F5 BIG-IP Exploitation Leads to Confluence Compromise and Lateral Movement

The threat actor behind this campaign remains unattributed. Motivation appears to be credential theft and network persistence within enterprise environments.

F522 May · 14:53 UTC
Ghostwriter Targets Ukrainian Government with Prometheus-Themed Phishinghighperson_alertThreat Actor
person_alertThreat Actor

Ghostwriter Targets Ukrainian Government with Prometheus-Themed Phishing

Ghostwriter (also tracked as UAC-0057 and UNC1151) is a Belarus-aligned threat actor known for conducting information operations and cyber espionage campaigns.

The Hacker News22 May · 14:20 UTC
Screening Serpens: Iranian APT Targets Tech and Defense with RAT Malwarehighperson_alertThreat Actor
person_alertThreat Actor

Screening 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…

Unit 42 (Palo Alto)22 May · 11:00 UTC
Megalodon campaign injects 5,718 malicious commits into GitHub reposhighperson_alertThreat Actor
person_alertThreat Actor

Megalodon campaign injects 5,718 malicious commits into GitHub repos

Megalodon is an automated supply chain attack campaign targeting GitHub repositories. The actor's motivation appears to be exfiltration of CI/CD environment data, including secrets, tokens, and credentials stored in GitHub Actions workflows.

GitHub22 May · 09:55 UTC
ROADtools Framework Misused in Nation-State Cloud Intrusionshighperson_alertThreat Actor
person_alertThreat Actor

ROADtools 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…

Unit 42 (Palo Alto)22 May · 08:00 UTC
Canadian National Arrested for Operating KimWolf DDoS Botnethighperson_alertThreat Actor
person_alertThreat Actor

Canadian National Arrested for Operating KimWolf DDoS Botnet

A Canadian national arrested by U.S. and Canadian authorities for operating the KimWolf DDoS botnet infrastructure. The operator managed a large-scale botnet that compromised nearly two million devices globally, offering DDoS-for-hire services.

BleepingComputer22 May · 07:01 UTC
Jacob Butler Arrested for Operating Kimwolf DDoS Botnethighperson_alertThreat Actor
person_alertThreat Actor

Jacob Butler Arrested for Operating Kimwolf DDoS Botnet

Jacob Butler, also known as "Dort," is a 23-year-old Canadian national from Ottawa arrested by the U.S. Department of Justice for developing and operating the Kimwolf DDoS botnet.

The Hacker News22 May · 06:50 UTC
Dort Arrested for Operating Kimwolf IoT Botnet in Multi-Million Device DDoS Campaignhighperson_alertThreat Actor
person_alertThreat Actor

Dort Arrested for Operating Kimwolf IoT Botnet in Multi-Million Device DDoS Campaign

Dort is a 23-year-old cybercriminal based in Ottawa, Canada, suspected of developing and operating the Kimwolf IoT botnet. Motivated by launching large-scale DDoS attacks, doxing, and swatting campaigns, Dort leveraged compromised IoT devices to buil…

Krebs on Security21 May · 19:50 UTC
Chromium zero-day disclosed: JavaScript persists after browser closehighbug_reportVulnerability
bug_reportVulnerability

Chromium zero-day disclosed: JavaScript persists after browser close

Chromium-based browsers (Google Chrome, Microsoft Edge, Brave, Opera, Vivaldi) - specific affected versions not disclosed. Vulnerability remains unpatched at time of disclosure.

Google21 May · 16:13 UTC
NLnet Labs patches DoS vulnerabilities in Unbound DNS resolverhighbug_reportVulnerability
bug_reportVulnerability

NLnet Labs patches DoS vulnerabilities in Unbound DNS resolver

Unbound DNS resolver by NLnet Labs. Specific vulnerable versions not provided in advisory; patched versions available. Affects organizations running Unbound for DNS resolution services.

NLnet Labs21 May · 14:21 UTC
Showboat Linux Malware Targets Middle East Telecom Since Mid-2022highperson_alertThreat Actor
person_alertThreat Actor

Showboat Linux Malware Targets Middle East Telecom Since Mid-2022

The threat actor behind Showboat remains unattributed. The campaign demonstrates sophisticated targeting of telecommunications infrastructure in the Middle East, suggesting a motivated adversary with strategic intelligence collection objectives.

The Hacker News21 May · 12:17 UTC
Chinese APT Deploys Showboat and JFMBackdoor Against Telecom Sectorhighperson_alertThreat Actor
person_alertThreat Actor

Chinese APT Deploys Showboat and JFMBackdoor Against Telecom Sector

Chinese state-sponsored threat actors conducting cyber-espionage operations against telecommunications infrastructure. The actors demonstrate cross-platform capabilities with custom Linux and Windows malware tooling.

BleepingComputer21 May · 12:00 UTC
International Law Enforcement Seizes First VPN Service Used by Cybercriminalshighperson_alertThreat Actor
person_alertThreat Actor

International Law Enforcement Seizes First VPN Service Used by Cybercriminals

First VPN was a commercial VPN service exploited by multiple threat actors to anonymize their operations. The service provided infrastructure enabling cybercriminals to mask their origin during ransomware deployments and data exfiltration campaigns.

BleepingComputer21 May · 11:09 UTC
Microsoft Defender privilege escalation CVE-2026-41091 under active exploithighbug_reportVulnerability
bug_reportVulnerability

Microsoft Defender privilege escalation CVE-2026-41091 under active exploit

Microsoft Defender on Windows systems. Specific product versions not disclosed. Vulnerability allows local attackers to escalate privileges to SYSTEM level through improper link resolution handling.

CVE-2026-4109121 May · 08:55 UTC
18-Year-Old Infostealer Operator Arrested for Compromising 28K Accountshighperson_alertThreat Actor
person_alertThreat Actor

18-Year-Old Infostealer Operator Arrested for Compromising 28K Accounts

An 18-year-old individual from Odesa, Ukraine, identified by Ukrainian cyberpolice in coordination with U.S. law enforcement. The operator is suspected of deploying infostealer malware to harvest credentials and compromise user accounts.

BleepingComputer20 May · 19:36 UTC
Grafana breach via unrotated GitHub token after TanStack npm compromisehighbug_reportVulnerability
bug_reportVulnerability

Grafana breach via unrotated GitHub token after TanStack npm compromise

Grafana Labs infrastructure. Organizations using Grafana products are not directly affected by the breach itself, but should monitor for potential secondary impacts.

Grafana20 May · 13:46 UTC
Webworm Deploys EchoCreep and GraphWorm Backdoors via Discord and Graph APIhighperson_alertThreat Actor
person_alertThreat Actor

Webworm 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.

Microsoft20 May · 10:51 UTC
PinTheft Linux privilege escalation PoC released for Arch Linuxhighbug_reportVulnerability
bug_reportVulnerability

PinTheft Linux privilege escalation PoC released for Arch Linux

Arch Linux systems. Specific affected package versions not disclosed; vulnerability has been patched in recent updates. Other Linux distributions may be affected depending on package configurations.

Arch Linux20 May · 08:52 UTC
Microsoft mitigates YellowKey BitLocker bypass (CVE-2026-45585)highbug_reportVulnerability
bug_reportVulnerability

Microsoft mitigates YellowKey BitLocker bypass (CVE-2026-45585)

Microsoft BitLocker on Windows systems. Specific affected versions not disclosed. Vulnerability allows bypass of BitLocker disk encryption protections.

CVE-2026-4558520 May · 06:28 UTC
Microsoft mitigates YellowKey BitLocker zero-day bypass vulnerabilityhighbug_reportVulnerability
bug_reportVulnerability

Microsoft mitigates YellowKey BitLocker zero-day bypass vulnerability

Windows BitLocker across all supported Windows versions. The vulnerability allows unauthorized access to BitLocker-protected drives. No CVE assigned yet.

Microsoft20 May · 05:31 UTC
PostgreSQL patches multiple high-severity flaws; version 14 EOL announcedhighbug_reportVulnerability
bug_reportVulnerability

PostgreSQL patches multiple high-severity flaws; version 14 EOL announced

PostgreSQL database server, multiple versions affected by security vulnerabilities. Version 14 reaching end-of-life, no longer receiving security updates after EOL date.

PostgreSQL20 May · 04:05 UTC
TeamPCP Lists GitHub Source Code for Sale After Repository Breachhighperson_alertThreat Actor
person_alertThreat Actor

TeamPCP Lists GitHub Source Code for Sale After Repository Breach

TeamPCP is a threat actor that has emerged in the cybercrime ecosystem, demonstrating capability to compromise high-value technology platforms. The actor's motivation appears financially driven, as evidenced by their decision to monetize stolen GitHu…

The Hacker News20 May · 02:01 UTC
Microsoft Disrupts Malware-Signing-as-a-Service Operationhighperson_alertThreat Actor
person_alertThreat Actor

Microsoft Disrupts Malware-Signing-as-a-Service Operation

This operation involved cybercriminals abusing Microsoft's Artifact Signing service to provide malware-signing-as-a-service capabilities. The actors exploited legitimate code-signing infrastructure to generate fraudulent certificates, which were then…

BleepingComputer19 May · 19:47 UTC
Fox Tempest Provides Malware-Signing Services to Ransomware Operatorshighperson_alertThreat Actor
person_alertThreat Actor

Fox Tempest Provides Malware-Signing Services to Ransomware Operators

Fox Tempest is a financially motivated cybercriminal actor that operates as a malware-signing service provider within the ransomware ecosystem. Rather than conducting attacks directly, Fox Tempest enables other threat actors—including Vanilla Tempest…

Microsoft Security19 May · 13:07 UTC
PoC released for DirtyDecrypt LPE in Linux kernel (CVE-2026-31635)highbug_reportVulnerability
bug_reportVulnerability

PoC released for DirtyDecrypt LPE in Linux kernel (CVE-2026-31635)

Linux kernel - specific vulnerable versions not provided. Local privilege escalation vulnerability affecting systems running vulnerable kernel versions.

CVE-2026-3163519 May · 12:56 UTC
Over 600 malicious npm packages published in Shai-Hulud campaignhighbug_reportVulnerability
bug_reportVulnerability

Over 600 malicious npm packages published in Shai-Hulud campaign

npm ecosystem: 600+ malicious packages published by threat actors. Affects organizations using npm for JavaScript/Node.js dependency management. Specific package names not provided in summary.

npm19 May · 12:30 UTC
SonicWall releases patches for multiple high-severity vulnerabilitieshighbug_reportVulnerability
bug_reportVulnerability

SonicWall releases patches for multiple high-severity vulnerabilities

SonicWall products (specific models and versions not disclosed in summary). CERT.BE advisory indicates multiple vulnerabilities requiring immediate patching across SonicWall product line.

SonicWall19 May · 12:27 UTC
ShinyHunters Claims 7-Eleven Data Breachhighperson_alertThreat Actor
person_alertThreat Actor

ShinyHunters Claims 7-Eleven Data Breach

ShinyHunters is a financially motivated cybercrime group known for large-scale data breaches and database theft. The group emerged around 2020 and has been linked to numerous high-profile data exfiltration incidents targeting organizations across var…

7-Eleven19 May · 12:16 UTC
Microsoft sees rise in privilege escalation and identity abuse flawshighbug_reportVulnerability
bug_reportVulnerability

Microsoft sees rise in privilege escalation and identity abuse flaws

Microsoft products and services experiencing increased critical vulnerabilities focused on privilege escalation and identity abuse. Specific affected products and versions not detailed in available data.

Microsoft19 May · 12:00 UTC
ABB CoreSense path traversal flaw allows unauthenticated system accesshighbug_reportVulnerability
bug_reportVulnerability

ABB CoreSense path traversal flaw allows unauthenticated system access

ABB CoreSense HM (versions prior to v2.3.4) and CoreSense M10 (versions prior to v1.4.1.31). Path traversal vulnerability affects unauthenticated remote attackers.

CVE-2025-346519 May · 10:00 UTC