"China-nexus cyber actors are now using them strategically, and at scale" [China-nexus cyber actors]
The article documents that Chinese military and intelligence units (Volt Typhoon, Flax Typhoon, Violet Typhoon) have moved from crude botnet use (denial-of-service) to sophisticated sequenced attacks that chain compromised devices to mask advanced intrusions. This generalizes beyond the specific units named: any state actor with scale can now adopt this layering approach to defeat network isolation defenses, making attribution and containment structurally harder for defenders across all critical sectors.