~/f4n6 $ adversetrace --filter tag:umbra --list
// tag

UmBra

notes

Ransomware: UmBra named Tharisa (ZA)

1. Executive summary The ransomware group UmBra listed Tharisa, a Cyprus-registered platinum group metals and chrome mining group with operations in South Africa and development

07 Oct 2026 · 5 min read read →