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Latest threat analysis, industry news, and security best practices from our expert team.

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sigma-rule259 articles
Jun 1, 2026

Securing Shadow AI at the Control Plane with Falcon for IT: Governance and Detection Guide

Shadow AI has rapidly emerged as a critical security blind spot. Employees across organizations are adopting generative AI tools—ChatGPT, Cl...

sigma-rulekql-detectionthreat-hunting
Platform & AutomationRead Now
Jun 1, 2026

LSN-120-1: Ubuntu Kernel Live Patch Security Advisory — CVE Analysis and Remediation Guide

Ubuntu has released Kernel Live Patch Security Notice LSN-120-1, addressing critical vulnerabilities in the Linux kernel that could impact y...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
Jun 1, 2026

Scaling AI-Native Agents in CrowdStrike Falcon Exposure Management: A Defense Strategy

Scaling AI-Native Agents in CrowdStrike Falcon Exposure Management: A Defense Strategy Introduction The volume of vulnerabilities facing mod...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
May 31, 2026

YARA-X 1.17.0 Released: Critical Performance Improvements and Bugfix for Threat Hunting Operations

Introduction On May 31st, the YARA-X project released version 1.17.0, delivering critical updates that defenders cannot afford to ignore. Wh...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
May 31, 2026

Threat Intel: 'The Com' Phishing & Extortion — Detection and Defense Guide

Introduction 'The Com' (The Communitarianism Party) represents a distinct threat landscape that blurs the line between cybercrime and real-w...

sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now
May 30, 2026

Data Broker Sentencing: 7M Elderly Americans' Data Exfiltration — Detection and Prevention Guide

Data Broker Sentencing: 7M Elderly Americans' Data Exfiltration — Detection and Prevention Guide Introduction In a disturbing case of data m...

sigma-rulekql-detectionthreat-hunting
Incident ResponseRead Now
May 30, 2026

DDoS-as-a-Service Market Evolution: Defending Against Botnet-Powered Stresser Platforms

Introduction The barrier to entry for launching disruptive Distributed Denial of Service (DDoS) attacks has effectively reached zero. Recent...

sigma-rulekql-detectionthreat-hunting
Platform & AutomationRead Now
May 30, 2026

Azure Priv-Esc, Kali365 MFA Bypass & Claude Plugin: Critical Detection & Remediation Guide

Azure Priv-Esc, Kali365 MFA Bypass & Claude Plugin: Critical Detection & Remediation Guide Introduction This ThreatsDay Bulletin drops multi...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
May 29, 2026

ChatGPhish: OpenAI ChatGPT Markdown Rendering Vulnerability Analysis & Defense

Introduction Security researchers at Permiso Security have disclosed a critical vulnerability affecting OpenAI's ChatGPT platform, codenamed...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
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