Ransomware group Dark Project hits Cumar Marble & Granite
Cumar Marble & Granite — a manufacturing target operating in TR has been listed by the Dark Project ransomware group on 2026-09-11. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.
Incident Report
| Target Organization | Cumar Marble & Granite |
|---|---|
| Threat Group | Dark Project |
| Summary | About Cumar Cumar Marble & Granite is a leading fabricator and supplier of high-quality marble, granite, limestone, and exotic stones in New England, specializing in luxury kitchens, bathrooms, and custom projects. The company caters to designers, architects, developers, and discerning homeowners, offering a wide range of custom stone products including countertops, sinks, and fireplaces. Their extensive inventory features various natural stones from around the world, ensuring elegance and durability in every project. Cumar is recognized for its commitment to quality and craftsmanship, making it the preferred choice for luxury stone solutions. Cumar Marble & Granite, a company specializing in luxury kitchens, bathrooms, and custom projects, has been the target of a massive cyberattack. Hackers stole 489 gigabytes of data from the company’s servers, including personal information, technical drawings, and financial documents. This incident raises serious concerns regarding the theft of intellectual property and potential breaches of employee and customer privacy. |
| Date of Breach | 2026-09-11 |
| Discovery Date | 2026-09-15 |
| Region | TR |
| Target Domain | www.cumar.com |
| Business Sector | Manufacturing |
| Severity | MEDIUM |
Claim by Dark Project
About Cumar Cumar Marble & Granite is a leading fabricator and supplier of high-quality marble, granite, limestone, and exotic stones in New England, specializing in luxury kitchens, bathrooms, and custom projects. The company caters to designers, architects, developers, and discerning homeowners, offering a wide range of custom stone products including countertops, sinks, and fireplaces. Their extensive inventory features various natural stones from around the world, ensuring elegance and durability in every project. Cumar is recognized for its commitment to quality and craftsmanship, making it the preferred choice for luxury stone solutions. Cumar Marble & Granite, a company specializing in luxury kitchens, bathrooms, and custom projects, has been the target of a massive cyberattack. Hackers stole 489 gigabytes of data from the company’s servers, including personal information, technical drawings, and financial documents. This incident raises serious concerns regarding the theft of intellectual property and potential breaches of employee and customer privacy.
Posted by the Dark Project threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.
Sources
Victim website
www.cumar.com
Leak post (onion / Tor)
http://darkprn3d3udnhpuxknsrhft3376lrz5tenhgkrxge5hxqe46pkbrwid.onion/article?slug=cumar-marble-granite
Open this URL in Tor Browser. Browsing leak sites carries real risk — view passively, never click further.
Disclaimer
HackerFeeds 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.

