Efficy - 43gb leaked

Efficy - 43gb leaked was compromised in a ransomware attack attributed to coinbasecartel in March 2026. The organization, operating in the Technology sector in Belgium, was added to the group's data leak site as part of an extortion campaign.

coinbasecartel operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.