Kurogane Kasei Co.
bd_a1c25622fba8f48b · schema v1 · pii pii-v1
Full breach record for Kurogane Kasei Co. →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Ransomhouse on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
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.
Source provenance
- Source URL
- https://www.ransomware.live/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Oct 10, 2025
- Raw hash
- 213df336f262ebabf161a824dc4bd16295e9fd04ee71b61addb2d1cba0d41821
Reporting entity
- Name
- ransomhouse
Victim entity
- Name
- Kurogane Kasei Co.norm: kurogane kasei
- Domain
- kuroganekasei.com
- Industry
- Manufacturing
What this source establishes
- Source ceiling
- A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
- Attack vector
- Ransomware· ransomhouse
- Threat actor
- RansomhouseExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.