In the latest cybersecurity news, Kurogane Kasei Co. — a company operating in the JP — has fallen victim to a ransomware attack conducted by the group ransomhouse. This data breach, discovered on 2025-10-23 20:16:05.009019, underscores the increasing need for proactive cybersecurity defenses as we continue through 2025.
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Incident Report
| Attribute | Information |
|---|---|
| Target Organization | Kurogane Kasei Co. |
| Threat Group | ransomhouse |
| Summary | Kurogane Kasei Co., Ltd. is a development-oriented Japanese chemical company specializing in organic synthesis and fine chemicals production. Its core activities include joint R&D projects, entrusted synthesis, and scalable production from gram-level prototypes to ton-scale manufacturing. The company caters to industries such as electronics, pharmaceuticals, and agrochemicals, leveraging advanced technologies like esterification and specialized equipment for dust-free, metal-free environments. With a workforce of about 193 employees, Kurogane Kasei positions itself as an ‘all-round player’ in the chemical sector, prioritizing customer satisfaction through rapid prototyping and innovative solutions. |
| Date of Breach | 2025-10-10 00:00:00.000000 |
| Discovery Date | 2025-10-23 20:16:05.009019 |
| Region | JP |
| Target Domain | www.kuroganekasei.com |
| Business Sector | Manufacturing |
Don’t wait for a breach to take action — stay informed and take control of your cybersecurity posture today.
You can also check if your organization’s data has been exposed using our free 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.


