CAS Paper Mill Data Breach: The Gentlemen Ransomware Claim (Oct 2026)
Summary
In the latest cybersecurity news, CAS Paper Mill — an organization based in CA — has fallen victim to a ransomware attack conducted by the group thegentlemen. This data breach, discovered on 2026-10-16T09:33:57.113454+00:00, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.
Incident Report
| Attribute | Information |
|---|---|
| Target Organization | CAS Paper Mill |
| Threat Group | thegentlemen |
| Summary | caspapermill.com C.A.S. Paper Mill Co., Ltd. is a Thai paper manufacturer in Singburi (est. 1990, operating since 1994), part of the Charoen Aksorn Group — Thailand’s largest paper distributor, backed by Bangkok Bank and Vacharaphol. It produces 130,000 MT/yr of newsprint, printing and kraft paper plus 30,000 MT/yr of tissue (Toscotec line, 2022), from 100% recycled US/Canadian waste paper. Zero-liquid-discharge since 1994, 10 MWp floating solar; ISO 9001/14001/45001, TIS 758, FSC C125297. Exports: Vietnam, Philippines, Pakistan. Revenue est. $80–150M (~300 staff), but fell ~10% in 2025 as newsprint demand declines. Main red flag: 2018 villagers’ protest over alleged coal pollution affecting 10,000+ residents, and denial of a license for the coal expansion. |
| Date of Breach | 2026-10-14T19:34:59+00:00 |
| Discovery Date | 2026-10-16T09:33:57.113454+00:00 |
| Region | CA |
| Target Domain | caspapermill.com |
| Business Sector | Manufacturing |
How to reduce your ransomware risk
Most ransomware intrusions start with a stolen password or a phishing email. A few proactive steps sharply cut your exposure:
- continuous breach monitoring — close the gap attackers exploit.
- realistic phishing tests — close the gap attackers exploit.
Want to know if you’re already exposed? Run a free scan with the HookPhish data breach checker.
Disclaimer
HookPhish does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.
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