M.C.S. Steel Public Company Limited M.C.S. Steel Public Company Limited – largest structural-steel fabricatorin Thailand, SET-listed (ticker MCS).Total files: 2,314,625Total volume: 4.2 TB’Senior Advisor to Chairmen of the Board’ paid 800,000 JPY/month viaTrust Engineering K.K. (Tokyo) to Keiyo Bank Chiba account 5376091,term Nov-2025..Oct-2027 – while Mr. Yokoyama Yukio also sits on MCSpayroll. Related-party flow outside SET disclosures.Chairman & CEO Dr. Naiyuan Chi carries a PAYROLL ‘advisor’ gross of12.92M THB/yr (2023-2026); lifetime net receipts ~79M THB (2015-2026).Advisor/consultant contracts to Haneishi, Iijima, Ogilvie, Yang -overlapping the company’s Japanese payroll.Identity documents of staff incl. Chairman’s daughter (Thai nationalIDs, passport, house registration), foreign managers’ work permits.Myanmar workshop staff charged 500-800 THB per clinic visit (signedmemo, 2023) – labour-protection exposure.Prior Faust ransomware infection inside the network (victim idA2242861-3499) – security failures never remediated; SQL credentialsand Windows OEM keys stored in plaintext.Confidential pipeline of Japan’s Big-5 contractors incl. site names. More
- Group: rhysida
- Country: TH
- Sector: Manufacturing
- Discovered: 2026-11-09 17:27 UTC
- Attack date: 2026-11-09 17:27 UTC
This entry reflects a claim published by an extortion group and collected by a public tracker. It has not been independently verified.
Source: ransomware.live — Recent Victims · 2026-11-09