Emerging FunkSec Ransomware Developed Using AI

Some of the biggest security problems start quietly. No alerts. No warnings. Just small actions that seem normal but aren’t. Attackers now know how to stay hidden by blending in, and that makes it hard to tell when something’s wrong. This week’s stories aren’t just about what was attacked—but how easily it happened. If we’re…

An anonymous cybersecurity researcher who disclosed three Microsoft Defender vulnerabilities has returned with two more zero-days involving a BitLocker bypass and a privilege escalation impacting Windows Collaborative Translation Framework (CTFMON). The security defects have been codenamed YellowKey and GreenPlasma, respectively, by the researcher, who goes by the online aliases Chaotic Eclipse

A recently disclosed critical security flaw impacting nginx-ui, an open-source, web-based Nginx management tool, has come under active exploitation in the wild. The vulnerability in question is CVE-2026-33032 (CVSS score: 9.8), an authentication bypass vulnerability that enables threat actors to seize control of the Nginx service. It has been codenamed MCPwn by Pluto Security. “

Mongolia, Taiwan, Myanmar, Vietnam, and Cambodia have been targeted by the China-nexus RedDelta threat actor to deliver a customized version of the PlugX backdoor between July 2023 and December 2024. “The group used lure documents themed around the 2024 Taiwanese presidential candidate Terry Gou, the Vietnamese National Holiday, flood protection in Mongolia, and meeting invitations,…

Microsoft has released security updates for a Defender vulnerability known as RoguePlanet, nearly a month after details of the flaw became public. The vulnerability, tracked as CVE-2026-50656 (CVSS score: 7.8), is a privilege escalation issue in the Microsoft Malware Protection Engine (“mpengine.dll”), which provides scanning, detection, and cleaning capabilities for its antivirus and

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