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Ransomware
NightSpire Ransomware Exploits RDP and Remote Admin Tools to Hit 64 Organizations in 33 Countries
28 May 2026 dark6
NightSpire ransomware has hit at least 64 organizations across 33 countries by exploiting Remote Desktop Protocol access and installing legitimate...
Malware
Cloud Atlas APT Patches termsrv.dll to Enable Silent Dual RDP Sessions — Targets Government and Diplomatic Organizations
26 May 2026 dark6
The Cloud Atlas APT group has adopted a stealthy new technique: modifying Windows termsrv.dll to enable multiple simultaneous RDP sessions,...
Cybercrime
Ukrainian Intelligence Report: Russian APT Groups Intensify Cyber Operations — 5,927 Incidents, 37% Rise in 2025
23 May 2026 dark6
A new intelligence report from Ukraine's National Security and Defense Council reveals Russian state-sponsored threat groups dramatically escalated cyber operations...
Ransomware
Qilin Ransomware Adopts Stealthy RDP History Enumeration to Map Victim Networks
1 May 2026 dark6
The Qilin ransomware group, responsible for over 700 attacks in 2025, has been observed using a stealthy PowerShell technique to...
Phishing
Microsoft’s April 2026 Update Adds New RDP Security Warnings to Protect Against Phishing via .rdp Files
25 April 2026 dark6
Microsoft's April 2026 Patch Tuesday introduces new multi-layer warning dialogs in Windows Remote Desktop Connection, designed to protect users from...