NSA and FBI Warn on QTFY: What Security Teams Should Do About Chinese Hacker Covert Networks
The NSA, FBI, and Cyber National Mission Force warned that China-linked QTFY actors used QScan, QTRouter, compromised IoT devices, and covert proxy infrastructure to target military, government, telecommunications, higher education, and critical infrastructure networks. The defender lesson is clear: patch fast, reduce exposed operational data, isolate critical systems, and hunt with evidence.