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GentleKiller: Inside the Ransomware Framework Disabling 400+ EDR Security Products

22 June 2026  |  dark6  |  Ransomware

ESET researchers have exposed GentleKiller, the in-house EDR-killing framework of the Gentlemen ransomware gang, capable of disabling over 400 security processes across 48 products using BYOVD kernel driver...

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EDRChoker: New Red Team Tool Silences Cloud-Connected EDR Agents by Choking Network With Windows QoS

8 June 2026  |  dark6  |  Malware

A new open-source tool called EDRChoker throttles EDR agent network connections to 8 bps using Windows native Policy-Based QoS, effectively blinding cloud-connected endpoint security tools without generating WFP...

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WatchGuard Agent Vulnerabilities Allow Attackers to Escalate to Full SYSTEM Privileges on Windows

10 May 2026  |  dark6  |  Vulnerability

WatchGuard has released urgent security updates patching four high-severity vulnerabilities in the WatchGuard Agent for Windows, including chained CVE-2026-6787 and CVE-2026-6788 flaws (CVSS 8.5) that grant NT AUTHORITY\SYSTEM...

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Fortinet Issues Emergency Patch for Actively Exploited FortiClient EMS Zero-Day CVE-2026-35616

13 April 2026  |  dark6  |  Vulnerability

A critical zero-day vulnerability (CVE-2026-35616, CVSS 9.1) in Fortinet FortiClient EMS was exploited in the wild before Fortinet published its advisory. The pre-authentication flaw allows remote code execution...

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