Bloomberg Businessweek ICYMI: Microsoft Warns of Ransomware Hacks as SharePoint Fallout Grows
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Jul 25, 2025 Jennifer Ewbank, former CIA Deputy Director for Digital Innovation and founder of Andaman Strategic Advisors, discusses alarming cybersecurity threats. She highlights a recent ransomware attack linked to a Chinese hacking group exploiting Microsoft SharePoint vulnerabilities, affecting hundreds of organizations. The conversation delves into the implications for national security and U.S.-China cyber relations, revealing the evolving landscape of digital warfare. Ewbank also shares vital tips on preventing ransomware, emphasizing proactive security measures and timely updates.
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Milestone Cyberattack Shift
- The SharePoint breach marks a milestone in strategic cyber infiltration, comparable to SolarWinds and Exchange Server incidents.
- It shifted from classic espionage to ransomware deployment, revealing a new hybrid attack method.
China's Vast Cyber Ecosystem
- China’s cyber capabilities are vast, involving government entities and contracting hackers including criminals.
- This blurs lines between espionage and criminal ransomware, as seen in the recent Microsoft breach.
China's Unique Cyber Approach
- Espionage is a standard government activity, but China's extensive IP theft is unprecedented.
- The recent shift to ransomware by a government-backed actor is a novel and concerning development.