Data size
544 GB
Posted
Sep 21, 2026
Industry
Mining
Summary
Written by ThreatClusterfrom victim profile, leak postAnubis claims to have exfiltrated 544 GB of data from Summa Gold, a mining company, as stated on the group's leak site. The leak page describes the data as “Behind the scenes of a gold mining company” and identifies Summa Gold within the mining sector. The publication status is listed as published.
Describes what the group claims on its leak site. A listing is not confirmation that a breach occurred.
Victim profile
- Domains
- www.summagold.com
What was taken
Behind the scenes of a gold mining company.
Also stated on the leak page
Fields this group publishes that do not map to a standard column. Labels are the site's own.
- breach_context_text
- As mentioned above, the company is involved in the exploration, development, and sale of gold mines. This means the leaked data could potentially attract the attention of three different groups of people.
Leak-site images (11)
Images from the victim's leak listing. Thumbnails scraped from the onion page are blurred by default — click a thumbnail to view.
ThreatCluster capture
The image contains a collage of newspaper articles discussing illegal mining activities in Huamachuco, including reports on sanctions and environmental contamination.
onion leak page363 KB
Screenshot of a spreadsheet detailing production and expense tracking for a mining operation, including columns for budgeted and actual figures.
onion leak page359 KB
Screenshot of a spreadsheet detailing production KPIs, including columns for months, costs, and forecasts.
onion leak page436 KB
Screenshot of a table listing critical items with columns for description, provider, stock, value, capacity, and monthly consumption.
onion leak page332 KB
Screenshot of a mining plan document with tables showing tonnage, gold content, and production data for the year 2026.
onion leak page554 KB
The image contains a flowchart detailing an audit process, including components evaluated, auditor roles, and results, alongside a map with marked areas.
onion leak page317 KB
Screenshot of a spreadsheet listing various areas and associated costs, with a total result at the bottom.
onion leak page166 KB
Screenshot of a financial report comparing accumulated production KPIs for May, including columns for description, budget, forecast, and compliance.
onion leak page388 KB
Screenshot of a performance report with tables showing drilling and production indicators, including costs, utilization rates, and completion percentages.
onion leak page661 KB
Table containing columns for personal factors, labor factors, and descriptions related to workplace incidents, including various codes and explanations.
onion leak page270 KB