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microsoft-defender33 articles
Apr 23, 2026

Microsoft Defender Zero-Day: Detecting SAM Database Access and NTLM Hash Theft

Microsoft Defender Zero-Day: Detecting SAM Database Access and NTLM Hash Theft Introduction A critical security vulnerability has been ident...

cvezero-daypatch-tuesday
Vulnerability ManagementRead Now
Apr 22, 2026

CVE-2024-38200 & CVE-2024-38201: Active Exploitation of Windows Defender — Detection and Hardening Guide

CVE-2024-38200 & CVE-2024-38201: Active Exploitation of Windows Defender — Detection and Hardening Guide Introduction In a disturbing shift ...

cvezero-daypatch-tuesday
Vulnerability ManagementRead Now
Apr 20, 2026

CVE-2026-21881 & CVE-2026-21882: Critical Excel RCE and Defender LPE — Detection and Remediation

Introduction This week's ThreatsDay Bulletin is a wake-up call for organizations relying on "security by obscurity" or assuming that age equ...

cvezero-daypatch-tuesday
Vulnerability ManagementRead Now
Apr 17, 2026

Microsoft Defender Zero-Days BlueHammer, RedSun, and UnDefend: Active Exploitation and Defense Guide

Introduction Defenders face a critical escalation in the threat landscape with the disclosure of three zero-day vulnerabilities in Microsoft...

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

Cookie-Controlled PHP Web Shells & Cron Persistence: Detection & Remediation

Introduction Microsoft Defender Security Research Team has uncovered a sophisticated shift in web shell tactics targeting Linux environments...

alert-fatiguetriagealertmonitor
Incident ResponseRead Now
Apr 11, 2026

CrowdStrike SIEM Ingests Microsoft Defender: Guide to Unified Visibility

CrowdStrike SIEM Ingests Microsoft Defender: Guide to Unified Visibility Introduction The long-standing détente between CrowdStrike and Micr...

socmdrmanaged-soc
SOC & MDRRead Now
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