Grupo JSA

Grupo JSA was compromised in a ransomware attack attributed to sinobi in October 2025. The organization, operating in an undisclosed sector in Spain, was added to the group's data leak site as part of an extortion campaign.

sinobi 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.

Grupo JSA is a company that operates in the Architecture, Engineering & Design i...