Security Insights

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

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detection-engineering273 articles
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
May 29, 2026

GREYVIBE: Defending Against Russian AI-Powered Cyberattacks Targeting Ukraine

Introduction WithSecure has attributed a persistent campaign, active since at least August 2025, to a previously undocumented Russian-speaki...

sigma-rulekql-detectionthreat-hunting
Incident ResponseRead Now
May 29, 2026

Gogs Zero-Day Unauthenticated RCE Vulnerability: Detection and Mitigation Guide

Gogs Zero-Day Unauthenticated RCE Vulnerability: Detection and Mitigation Guide Excerpt Internet-facing Gogs instances are vulnerable to una...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
May 28, 2026

FortiClient EMS Critical Vulnerability Exploited for Credential Theft — Detection and Remediation Guide

FortiClient EMS Critical Vulnerability Exploited for Credential Theft — Detection and Remediation Guide Introduction Active exploitation of ...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
May 28, 2026

JINX-0164 macOS Malware Targeting Crypto Firms: Detection and Defense Guide

Introduction JINX-0164, a sophisticated threat actor, has launched a targeted campaign against cryptocurrency firms using fake recruiter lur...

sigma-rulekql-detectionthreat-hunting
Incident ResponseRead Now
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