Mustang Panda Deploys Updated COOLCLIENT Backdoor in Government Cyber Attacks
- Posted on January 28, 2026
- By The Hacker News
- 4 Views
Mustang Panda Deploys Updated COOLCLIENT Backdoor in Government Cyber Attacks

China-linked Mustang Panda used updated COOLCLIENT malware in 2025 espionage to steal data from government and telecom targets across Asia and Russia.