Sea Telecom Br — Ransomware Incident Claimed by Coinbase Cartel
- Victim: Sea Telecom Br
- Claimed by Coinbase Cartel
- Date claimed: 2026-04-23
- Country: BR
- Sector: Telecommunication
Coinbase Cartel listed Sea Telecom Br, a Telecommunication organization, as a victim on its data-leak site (2026-04-23).