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Showing posts with the label #CyberDudeBivash #ProxyLogon #MicrosoftExchange #CVE #Hafnium #CyberSecurity #RCE #ThreatIntel #InfoSec #ZeroTrust

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Digital Pirates: How Russia, China, and Cyber-Gangs Can Hijack a Supertanker and Collapse Global Trade

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          🌍 Geopolitical & OT Security Analysis           Digital Pirates: How Russia, China, and Cyber-Gangs Can Hijack a Supertanker and Collapse Global Trade         By CyberDudeBivash • October 03, 2025 • Strategic Threat Report         cyberdudebivash.com |       cyberbivash.blogspot.com           Disclosure: This is a strategic analysis for leaders in government, defense, and critical infrastructure sectors. It contains affiliate links to relevant security solutions and training. Your support helps fund our independent research.   Executive Briefing: Table of Contents       Chapter 1: The 21st Century Chokepoint — A New Era of Piracy     Chapter 2: The Floating Datacenter — A Supertanker's Attack Surface     Chapter 3: The Kill Chain — From a Phished Captain to a Hijacked Rudde...

The ProxyLogon Legacy: Deep Dive Analysis of Microsoft Exchange RCE (CVE-2021-26855) and Lessons for Perimeter Defense

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          The ProxyLogon Legacy: Deep Dive Analysis of Microsoft Exchange RCE (CVE-2021-26855) and Lessons for Perimeter Defense     By CyberDudeBivash • September 30, 2025, 09:26 AM IST • Historical Threat Analysis   In the history of enterprise security, there are incidents so profound they leave a permanent scar on the industry and fundamentally alter our approach to defense. **ProxyLogon** was one such event. This devastating, pre-authentication remote code execution chain, spearheaded by **CVE-2021-26855**, allowed attackers to take complete control of on-premise Microsoft Exchange servers with no credentials and no user interaction. First exploited by the nation-state actor Hafnium, it quickly became a global free-for-all, leading to the compromise of tens of thousands of organizations. This report is more than a technical breakdown of a past vulnerability; it is a deep dive into the legacy of ProxyLogon and the brutal lessons it tau...