China-Linked Hackers Target South American Telecom Infrastructure

A China-linked advanced persistent threat (APT) group, tracked as UAT-9244 by Cisco Talos, has targeted critical telecommunications infrastructure in South America since 2024. The threat actor deployed three distinct implants—TernDoor, PeerTime, and BruteEntry—against Windows, Linux systems, and edge devices. The activity is closely associated with another cluster known as FamousSparrow, though no additional technical indicators or CVE IDs were specified. The attacks focus on compromising telecom networks, though the exact impact or data accessed remains undisclosed.