Threat Actor
Guan Tianfeng
- First Reported
- May 5, 2026
- Latest Reported
- May 5, 2026
Reported Context (1)
- Identified by Brandt as the operator using the handle gbigmau. The transcript attributes to an FBI wanted poster the accusation that he compromised 80,000 Sophos firewalls. Pacific Rim: Sophos Researchers Recount Years of Firewall Exploits and Countermeasures
Malware (2)
People (2)
Threat Actors (3)
MITRE ATT&CK (6)
Vendors (2)
Products (2)
Tools (1)
Industries (7)
Countries (5)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.