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A sophisticated multi-stage malware campaign targeting Russian users, leveraging social engineering, legitimate cloud services, and native Windows functionality to achieve full system compromise without exploiting vulnerabilities. The campaign begins w…
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A severe vulnerability in Windows Server Message Block (SMB) client authentication has emerged as a critical threat to Active Directory environments. CVE-2025-33073, a logical flaw in NTLM reflection handling, enables authenticated atta…
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Windows Subsystem for Linux (WSL) has transformed the developer experience on Windows. However, it has also quietly created a powerful hiding place for attackers. With WSL2, Microsoft moved from lightweight translation to a whole virtual machine (VM) m…
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Microsoft’s January 2026 security update has disrupted enterprise Remote Desktop infrastructure, triggering widespread credential prompt failures that prevent users from accessing Azure Virtual Desktop and Windows 365 environm…
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Microsoft’s latest security update for Windows 11 has triggered an unexpected problem affecting enterprise users: PCs equipped with Secure Launch are unable to shut down or hibernate properly. Instead of powering off, affected devices restart aut…
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Microsoft has published details of CVE-2026-20824 as a security feature bypass vulnerability in Windows Remote Assistance, assigning it an “Important” severity rating with a CVSS v3.1 base score of 5.5 (temporal 4.8). The issue is categorized…
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Security researchers have identified a sophisticated multi-stage malware campaign dubbed SHADOW#REACTOR that chains together obfuscated Visual Basic Script (VBS) execution, resilient PowerShell stagers, text-only payload delivery mechanisms, and .NET R…
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A cybersecurity researcher has unveiled EDRStartupHinder, a proof-of-concept tool that prevents antivirus and endpoint detection and response (EDR) solutions from launching during Windows startup, including Microsoft Defender on Windows 11 25H2. The te…
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AhnLab Security Intelligence Center (ASEC) has uncovered a dangerous distribution campaign targeting Windows users through Korean web hard services. Threat actors are leveraging xRAT (QuasarRAT) malware, disguising it as legitimate adult game content t…
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New research has uncovered a sophisticated phishing campaign that abuses DocuSign’s brand to deliver Vidar malware and infect Windows systems. The operation uses a realistic phishing site, a fake signed installer, access…
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