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sigma-rule489 articles
Oct 22, 2026

Meta's $25B Cambridge Analytica Ruling: Third-Party Data Sharing Governance Lessons for Defenders

Meta Ordered to Pay $25 Billion Over 43 Million Privacy Violations A New Mexico state court has ordered Meta to pay $25 billion in penalties...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
Oct 21, 2026

Chrome's Gemini-Powered Scam Detection vs. ClickFix Attacks — Defender's Guide to Detection and Hardening

Introduction Google has begun rolling out new scam protections in Chrome that lean on its Gemini AI models to do two things defenders have b...

sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now
Oct 21, 2026

Chrome's New ClickFix Warnings: Defending Endpoints Against Copy-Paste Social Engineering in 2026

Introduction Google announced this week that Chrome is rolling out improved safeguards specifically designed to disrupt ClickFix attacks for...

sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now
Oct 21, 2026

AI-Assisted API Attacks via APK Analysis: JPCERT/CC Alert — Detection and Hardening Guide for Defenders

Introduction On October 8, 2026, JPCERT/CC published an alert and the first part of a technical investigation into a series of unauthorized ...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
Oct 20, 2026

WhatsApp's Hidden Chatbot Instructions: The 'Don't Recommend Regulators' Directive and What It Teaches Defenders About AI Governance

When the Instructions Users Can't See Matter More Than the Ones They Can In October 2026, reporting revealed that WhatsApp's help pages cont...

sigma-rulekql-detectionthreat-hunting
Platform & AutomationRead Now
Oct 20, 2026

Pegasus Zero-Click Spyware Confirmed on Serbian Rector's iPhone: iOS Detection, Forensics, and Hardening Guide

Introduction On October 19, 2026, Citizen Lab confirmed that the iPhone of Vladan Đokić — rector of the University of Belgrade and a promine...

sigma-rulekql-detectionthreat-hunting
Incident ResponseRead Now
Oct 20, 2026

AOMEI Update Server Hijack: Detect and Contain Malicious Promo/Update Delivery in Backup Software

AOMEI Update Server Hijack: Detect and Contain Malicious Promo/Update Delivery in Backup Software What happened Attackers reportedly comprom...

sigma-rulekql-detectionthreat-hunting
Incident ResponseRead Now
Oct 19, 2026

Plex2Shell Exploit Chain Hits Plex Media Server: Detection and Remediation Guide for Crypto Miner and Reverse Proxy Attacks

Introduction Within 24 hours of a public proof-of-concept release, threat actors began actively weaponizing a four-vulnerability exploit cha...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
Oct 19, 2026

GhostAction Supply Chain Attack: Credential Stealer Disguised as a Font File in 94 GitHub Repos — Detection and Response Guide

Introduction The threat actor behind the GhostAction supply chain campaign has evolved its tradecraft again — and this time the delivery veh...

sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now
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