Threat Advisories:

Microsoft September 2025 Patch Tuesday Roundup The Gentlemen Ransomware: A Rising Global Cyber Threat MostereRAT: A Deep Dive into an EPL-Backed Phishing Operation Stealerium Changing the Rules of Cyber Espionage s1ngularity Nx Supply Chain Attack: AI-Driven Credential Theft & Mass Exposure GPUGate: Weaponizing Ads and GitHub to Outsmart Sandboxes Cephalus Ransomware a Wake-Up Call for Stronger Endpoint Defense Sitecore Zero-Day Powers Reconnaissance Malware TP-Link Router End-of-Service Models Exploited in Botnet Operation GhostRedirector Targets Windows Servers Globally for SEO Fraud CVE-2025-55177: WhatsApp Zero-Click Flaw Used in Targeted Campaigns Experimental AI Ransomware PromptLock Sparks Security Concerns NightSpire Ransomware Expands Reach with Aggressive Extortion Deadlines Operation HanKook Phantom: APT37’s Stealthy Espionage Campaign Storm-0501’s Shift to Cloud-Native Ransomware Salt Typhoon Cyber Attacks Hit 200 Organizations in the United States CVE-2025-7775: Actively Exploited Critical Flaw in Citrix NetScaler ZipLine Campaign Spins Web Around U.S. Supply Chain Manufacturers with MixShell August 2025 Linux Patch Roundup New SHAMOS Stealer Exploits One-Line Commands on macOS

Hive Force Labs: Critical Threats Affecting You This Week - 5 Minute Audio Intelligence Report

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Unveiling New Big Head Ransomware Variants and Their Stealthy Tactics

Threat Level – Red | Vulnerability Report

The emergence of Big Head ransomware and its variants suggests a shared source, distributed through deceptive Windows update and Word installer disguises. The threat actor engages via email and Telegram, showcasing the malware on a YouTube channel, while a potential connection to Bahasa-speaking countries remains speculative.

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