Massive Data Breach at China's National Supercomputing Center Exposes Sensitive Military Data

Severity: High (Score: 74.0)

Sources: Cybersecuritynews, Securityaffairs.Co, Newsbytesapp, Cnn, Computing

Summary

A hacker, identified as FlamingChina, has allegedly breached the National Supercomputing Center (NSCC) in Tianjin, China, extracting over 10 petabytes of sensitive data, including classified military documents and missile schematics. The breach is considered one of the largest data thefts in Chinese history, affecting over 6,000 clients, including defense and science agencies. The attacker reportedly accessed the supercomputer through a compromised VPN and used a botnet to extract data over several months without detection. Samples of the stolen data were posted on an anonymous Telegram channel on February 6, 2026. Experts have reviewed the data and believe it to be genuine, raising concerns about vulnerabilities in China's technological infrastructure. The hacker is offering limited access to the data for thousands of dollars, with full access priced at hundreds of thousands, payable in cryptocurrency. The incident highlights significant security weaknesses in state-backed infrastructure. Key Points: • Over 10 petabytes of sensitive data stolen from China's NSCC. • Hacker accessed the system via a compromised VPN and used a botnet for data extraction. • The breach exposes vulnerabilities in China's defense and technological infrastructure.

Key Entities

• Data Breach (attack_type)
• Aviation Industry Corporation Of China (company)
• Commercial Aircraft Corporation Of China (company)
• National Supercomputing Center In Tianjin (company)
• National University Of Defense Technology (company)
• China (country)
• United States (country)
• Government (industry)
• Technology (industry)
• T1041 - Exfiltration Over C2 Channel (mitre_attack)
• T1133 - External Remote Services (mitre_attack)
• T1567.002 - Exfiltration to Cloud Storage (mitre_attack)
• T1567 - Exfiltration Over Web Service (mitre_attack)
• Telegram (platform)