Research & KnowledgeEvent: August 31, 2026
Proofpoint examined and reported a suspected Chinese-speaking cybercrime group called TA4922 and its remote access trojan PackClient, which was sold openly on Telegram with features like antivirus evasion, keylogging, and remote control.
Published
Signal category
Research & Knowledge
Quote
“Our threat research team at Proofpoint examined and reported the campaign and did an in-depth analysis of the malware.”
— Brittany Vaught|Proofpoint team
Company
- Industry
- Computer and Network Security
- Location
- Sunnyvale, US
- Company size
- 5,261 employees
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