2026 Tianjin NSCC — alleged ~10PB exfiltration (FlamingChina; defense/aerospace samples; unverified full scope)

Open-source reporting from February–April 2026 described claims by an actor using names such as “FlamingChina” / “Flaming China” that they exfiltrated on the order of roughly 10 petabytes from the National Supercomputing Center in Tianjin, China, advertising a large dataset for sale and posting sample material to Telegram (e.g., February 6, 2026). Journalists (e.g., CNN, WION) and independent researchers (e.g., NetAskari) who reviewed samples reported content consistent with high-performance computing environments and described documents referencing aerospace, defense-adjacent simulation themes, and Chinese-labeled sensitive markings in some files—while stressing that the full 10PB volume, completeness, and classification level could not be independently proven. Alleged tradecraft discussed in reporting included long-horizon extraction via VPN access and distributed tooling. Chinese authorities did not issue a public confirmation comparable to Western breach notifications at listing time. This entry reflects the publicly discussed intelligence and cybercrime narrative, not a government-confirmed scope statement.