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September 2025 Page 73

September 2025

Russian APT28 Deploys “NotDoor” Outlook Backdoor Against Companies in NATO Countries

Russian APT28 Deploys “NotDoor” Outlook Backdoor Against Companies in NATO Countries

Sep 04, 2025Ravie LakshmananCybersecurity / Malware The Russian state-sponsored hacking group tracked as APT28 has been attributed to a new Microsoft Outlook backdoor called NotDoor in attacks targeting multiple companies from different sectors in NATO… 

GhostRedirector Hacks 65 Windows Servers Using Rungan Backdoor and Gamshen IIS Module

GhostRedirector Hacks 65 Windows Servers Using Rungan Backdoor and Gamshen IIS Module

Cybersecurity researchers have lifted the lid on a previously undocumented threat cluster dubbed GhostRedirector that has managed to compromise at least 65 Windows servers primarily located in Brazil, Thailand, and Vietnam. The attacks, per Slovak…