White Birch Paper Company
bd_2afbcc49fd324401 · schema v1 · pii pii-v1
Full breach record for White Birch Paper Company →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Sinobi 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
White Birch Paper produces high-quality paper and paperboard products. Through continuous investment in safety, sustainability and operations, they are able to thrive as a reliable partner that works with a sense of urgency to meet our customers’ needs and enable their success. It manufacture newsprint, recycled kraft paper, high-bright, paperboard and other specialty paper products at their four paper mills in Canada and the United States, where they serve customers throughout North America and across the world.
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
- Aug 9, 2025
- Raw hash
- f96aff6cac460d06765e2c3f292188cb071d929fee248e6414043bb775963099
Reporting entity
- Name
- sinobi
Victim entity
- Name
- White Birch Paper Companynorm: white birch paper
- Domain
- whitebirchpaper.com
- Industry
- Manufacturingllm
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· sinobi
- Threat actor
- SinobiExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.