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Cyber Threat
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Ransomware victim Energy & Utilities

Siam Oil Product

Listed by Panzer on · organisation based in Thailand

siamoil.co.th

Disclosed
Aug 9, 2026
Leak-site listing date
Threat group
Panzer
58 victims listed
Country
Thailand
#17 most targeted
Sector
Energy & Utilities

ThreatAI analysis

Compiled from this incident record and the threat intelligence profile for Panzer. Figures and technique mappings are quoted from the source data, not inferred.

About Siam Oil Product

Siam Oil Product Co., Ltd. is a Thailand-based petroleum and industrial-products distributor, operating for 20+ years with registered capital of THB 200 million and 700+ employees; it supplies fuel oil, diesel, asphalt, base oils, automotive/industrial lubricants, petrochemicals such as HDPE/LDPE/LLDPE, plastic additives, and industrial products, and also operates a coffee-shop franchise business. Its headquarters is at RS Tower, Ratchadaphisek Road, Din Daeng, Bangkok, Thailand.

Source record: ransomware.live

About the Panzer group

Panzer has listed 39 victims since August 2026.

Vulnerabilities Panzer is recorded exploiting

4 of these 4 are in the CISA Known Exploited Vulnerabilities catalog, 4 of them recorded by CISA as used in ransomware campaigns. CVEs attributed to Panzer across its reported activity. There is no indication that any of these was involved in the Siam Oil Product incident — the source data does not record an entry point.

Incident analysis

Siam Oil Product was listed by Panzer ransomware, a group with 58 victims recorded in this database. The listing appeared on the group's leak site on August 9, 2026.

Siam Oil Product is based in Thailand and operates in the Energy & Utilities sector. Thailand ranks #17 worldwide for ransomware disclosures, with 190 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.

Panzer 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files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished.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.

Source. Public leak-site disclosures aggregated via the ransomware.live API. The disclosure date is when the listing was published, which can differ from the date of compromise. This site does not publish or link to stolen data. Last updated .

Frequently asked questions

Was Siam Oil Product attacked by ransomware?

Yes. Siam Oil Product was listed as a victim of the Panzer ransomware group on August 9, 2026. The organisation is based in Thailand and operates in the Energy & Utilities sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Siam Oil Product?

Siam Oil Product was attacked by Panzer ransomware. Panzer is one of the most active ransomware groups, having claimed 58 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Siam Oil Product ransomware attack occur?

The ransomware attack on Siam Oil Product was disclosed on August 9, 2026. This date reflects when the victim was published on the threat group's leak site, which may differ from the actual date of initial compromise.

What data was stolen in the Siam Oil Product ransomware attack?

The specific data stolen from Siam Oil Product has not been independently verified by this platform. Ransomware groups typically exfiltrate data before encrypting systems and use the threat of publication to pressure victims. As a Energy & Utilities organisation, Siam Oil Product likely held sensitive business data, client information, and operational records.

How can organisations protect against Panzer attacks?

To defend against Panzer and similar threat actors, organisations should: maintain regular offline backups tested for restoration; implement network segmentation to limit lateral movement; deploy multi-factor authentication on all remote access; use endpoint detection and response (EDR) tools; conduct regular phishing and security awareness training; and monitor threat intelligence feeds for indicators of compromise (IOCs) associated with active groups.