Chinese state hackers target telcos with new malware toolkit post, maart 5, 2026maart 9, 2026 A China-linked advanced persistent threat actor tracked as UAT-9244 has been targeting telecommunication service providers in South America since 2024, compromising Windows, Linux, and network-edge devices. According to Cisco Talos researchers, the adversary is closely associated with the FamousSparrow and Tropic Trooper hacker groups, but is tracked as a separate activity cluster. This assessment has high confidence and is based on similar tooling, tactics, techniques, and procedures (TTPs), and victimology observed in attacks attributed to the threat actors. Chinese state hackers target telcos with new malware toolkit: Chinese state hackers target telcos with new malware toolkit critical infrastructure malware 2026China