Threat Actor
gbigmau
- First Reported
- May 5, 2026
- Latest Reported
- May 5, 2026
Reported Context (1)
- Handle researchers associated with firewall exploit testing and development through trial-license telemetry. Brandt explicitly identifies this operator as Guan Tianfeng and cites an FBI accusation involving 80,000 Sophos firewall compromises. 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.