A ransomware claim attributes the attack to coinbasecartel, targeting Sea Telecom Br and allegedly encrypting critical systems while demanding a ransom. The claim also mentions data exfiltration and a threat to publish stolen data if payment is not made. #Brazil
Incident Details
- Victim: Sea Telecom Br
- Sector: Telecommunication
- Country: BR
- Actor: coinbasecartel
- Source: http://fjg4zi4opkxkvdz7mvwp7h6goe4tcby3hhkrz43pht4j3vakhy75znyd.onion/companies/sea
- Discovered: 2026-04-23 09:57:49.572651
- Published: 2026-04-23 09:57:35.965344
Information
- Sea Telecom Br
- Brazil (BR)
- coinbasecartel

Disclaimer: This post is based on public claims made by the ransomware group "coinbasecartel". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.