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sigma-rule490 articles
Oct 1, 2026

CVE-2026-86950: Apple CoreGraphics Zero-Day Exploited via Malicious PDF Fonts — Detection and Remediation Guide

Introduction Security researchers have published the first public proof-of-concept for CVE-2026-86950, a memory corruption vulnerability in ...

sigma-rulekql-detectionthreat-hunting
Vulnerability ManagementRead Now
Sep 30, 2026

Browser-Based Attacks in 2026: Detection and Defense Guide for the Six Techniques Breaching Enterprise Perimeters

The Browser Is the New Perimeter — and Attackers Know It If your incident response statistics from the last 18 months look anything like our...

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

ShinyHunters Arrest in Amsterdam: What Defenders Must Do Now to Stop SaaS Data Theft and Extortion

ShinyHunters Arrest in Amsterdam: What Defenders Must Do Now to Stop SaaS Data Theft and Extortion Dutch national police (Politie Landelijke...

sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now
Sep 29, 2026

Branch Target Reuse (BTR) Spectre v2 Attack Leaks Linux Root Password Hashes on Intel CPUs — Mitigation and Verification Guide

A New Spectre v2 Lineage Attack Puts Linux Root Credentials at Risk Researchers have demonstrated a new speculative-execution side channel d...

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Vulnerability ManagementRead Now
Sep 29, 2026

MCP Python SDK OAuth Credential Leak: Detection and Remediation Guide for Token Endpoint Exfiltration

MCP Python SDK OAuth Credential Leak: Detection and Remediation Guide for Token Endpoint Exfiltration Introduction The maintainers of the of...

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

ShinyHunters Arrest in Amsterdam: Defending Your SaaS Estate Against OAuth Consent Phishing and Bulk Data Theft

What Happened Dutch police have confirmed that a 24-year-old Amsterdam man arrested earlier this month was detained as part of the ongoing i...

sigma-rulekql-detectionthreat-hunting
Incident ResponseRead Now
Sep 28, 2026

Placeholder Domains Weaponized Across 1,700 Repos: Supply-Chain Defense, Service Account Hardening, and Citrix Patch Guidance

Introduction This week's threat landscape is a case study in forgotten assumptions becoming live attack surface. The standout story: a domai...

sigma-rulekql-detectionthreat-hunting
SOC & MDRRead Now
Sep 28, 2026

Soldier-Turned-Extortionist Sentenced to 70 Months: Defending Tech and Telecom Firms Against Credential-Driven Data Extortion

A Uniform Didn't Stop Him — And Your Perimeter Won't Either A former U.S. Army soldier has been sentenced to 70 months in federal prison for...

sigma-rulekql-detectionthreat-hunting
Incident ResponseRead Now
Sep 27, 2026

Rydox Cybercrime Marketplace Admin Pleads Guilty: How to Hunt for Stolen Credential Abuse in Your Environment

Rydox Admin Pleads Guilty — Why Your SOC Should Care Ardit Kutleshi, a 28-year-old Kosovo national, pleaded guilty to building and operating...

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SOC & MDRRead Now
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