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Ransomware Group sinobi Hits: White Birch Paper

Admin
HookPhish team
Target organization White Birch Paper whitebirchpaper.com Manufacturing

Summary

In the latest cybersecurity news, White Birch Paper — a company operating in the US — has fallen victim to a ransomware attack conducted by the group sinobi. This data breach, discovered on 2025-10-01 20:16:29.531748, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.

Incident Report

Attribute Information
Target Organization White Birch Paper
Threat Group sinobi
Summary 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.
Date of Breach 2025-08-09 12:37:21.935000
Discovery Date 2025-10-01 20:16:29.531748
Region US
Target Domain www.whitebirchpaper.com
Business Sector Manufacturing

 

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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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