CoinbaseCartel Claims Ransomware Attack on Sea Telecom Br
Summary
A ransomware claim attributed to coinbasecartel alleges that Sea Telecom Br in Brazil was attacked, its critical systems encrypted, and data exfiltrated, with publication threatened unless a ransom is paid. The claims are unconfirmed.
Key points
- The record names Sea Telecom Br, a Brazilian telecommunications organization, as the alleged victim.
- The ransomware claim is attributed to coinbasecartel and listed on the actor’s leak site.
- The actor allegedly encrypted critical systems and exfiltrated data, then threatened to publish the data if ransom demands were not met.
- The record was discovered and published on April 23, 2026, and is attributed to ransomware[.]live monitoring.
- The article says it cannot confirm the group’s claims; no independent confirmation or victim statement is provided.
Article Details
- Victim
- Sea Telecom Br
- Claim Date
- 2026-04-23
- Encryption Status
- Claimed by coinbasecartel; unverified
- Exfiltration Status
- Claimed; unverified
- Exfiltrated Data
- The claim alleges data was stolen but does not specify what data.
- Ransom Demand
- A ransom demand is mentioned; no amount is disclosed.
- Leak Status
- Publication was threatened if payment is not made; no publication is confirmed.