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The China-nexus threat cluster UNC5221 is actively targeting organizations that deploy F5 BIG-IP after a confirmed breach of F5 in which a nation-state actor stole internal development data, including portions of BIG-IP source code and vulnerability information. On October 15, 2025, CISA issued Emergency Directive ED-26-01, warning of an imminent threat to federal networks and ordering urgent inventory, hardening, and patching of affected F5 devices. The stolen code raises the risk of rapid 0-day discovery and weaponization against internet-exposed management services.

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The Qilin ransomware attack, presumably conducted on September 29, 2025, paralyzed Asahi’s digital order placement, shipment, and customer service systems, forcing the company to halt production at most of its 30 factories nationwide. Asahi had to revert to manual processes (phone, fax, hand-written orders) to maintain supply—an inefficient measure that fell far short of meeting demand during the digital outage.