Incident analysis
FKS Group was listed by Sarcoma ransomware, a group with 143 victims recorded in this database. The listing appeared on the group's leak site on April 8, 2025.
FKS Group is based in Indonesia and operates in the Agriculture and Food Production sector. Indonesia ranks #27 worldwide for ransomware disclosures, with 132 victims in this database.
Sector context. Organisations in this sector hold valuable data and operational systems that ransomware groups seek to exploit for financial gain through encryption and data exfiltration.
Sarcoma typically follows a double extortion model: data is exfiltrated from the victim's systems before files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished. The leak site, where this listing appeared, is the lever for the second demand.