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sigma-rule490 articles
Sep 17, 2026

Malicious Browser Extensions Can Hijack AI Assistants in Chrome, Edge, Comet, Opera Neon and Claude — Enterprise Defense Guide

Introduction Security researchers at Forever Security have demonstrated something that should unsettle every enterprise security team: one o...

sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now
Sep 16, 2026

CVE-2026-89026: Issabel Framework Unauthenticated OS Command Execution Under Active Attack — Detection and Remediation Guide

A 9.8 CVSS, Unauthenticated, and Actively Exploited — Your PBX Is Now an Attack Surface If your organization runs Issabel — the open-source ...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
Sep 16, 2026

CISA Cyber Decoy Guidance 2026: Deploying Deception to Detect LOTL and Credential-Based Intrusions

Introduction The hardest intrusions to catch in 2026 are not the ones that drop malware. They are the ones that log in. Adversaries — from r...

sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now
Sep 16, 2026

WooCommerce Wholesale Lead Capture Exploited in the Wild: Detecting and Remediating Unauthenticated PHP Web Shell Uploads

Introduction Wordfence has confirmed that threat actors are actively exploiting a critical vulnerability in WooCommerce Wholesale Lead Captu...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
Sep 15, 2026

Iranian Telegram-Controlled Spyware Targeting Dissidents and Journalists: Detection and Defense Guide

Iranian State Spyware Uses Telegram as C2 — What Defenders Need to Know Now Cybersecurity agencies from the United States, the United Kingdo...

sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now
Sep 15, 2026

BambooToken Malware Uses MQTT for Cross-Platform C2 on Windows and Linux — Detection and Threat Hunting Guide

Introduction Security researchers have disclosed a previously undocumented malware framework dubbed BambooToken, active since at least 2023,...

sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now
Sep 15, 2026

3BB Intrusion: Attacker Abused MeshCentral RMM for Root Access and Subscriber Credential Theft — Detection and Response Guide

3BB Intrusion: Attacker Abused MeshCentral RMM for Root Access and Subscriber Credential Theft — Detection and Response Guide The Short Vers...

sigma-rulekql-detectionthreat-hunting
Incident ResponseRead Now
Sep 14, 2026

DDRop Hardware Attack on Intel TDX and AMD SEV-SNP: Defending Confidential Computing From DRAM Write-Drop Replay

DDRop Hardware Attack on Intel TDX and AMD SEV-SNP: Defending Confidential Computing From DRAM Write-Drop Replay Executive summary Researche...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
Sep 14, 2026

WordPress Automated Plugin Security Reviews: What Defenders Must Do About Supply-Chain Risk in the Plugin Ecosystem

Introduction WordPress has announced a fundamental change to how plugin code reaches the hundreds of millions of sites in its ecosystem: eve...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
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