BT Group is a organization tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed January 16, 2026; most recent activity January 16, 2026.
Oleg Evgenievich Nefekov, a 35-year-old Russian national, has been added to Germany's most-wanted list for his role in leading the Black Basta ransomware operation. This group ceased its activities following a…