Leak-site post naming Medical Arts Chemists and Surgicals, captured by ThreatCluster

Medical Arts Chemists and Surgicals

pear

Ransomware leak-site victim intelligence · EN

Data size
490 Gb
Posted
Aug 20, 2026
Country
United States
Industry
Medical Equipment and Surgical Supplies

Summary

Written by ThreatCluster from victim profile, leak post

pear claims to have exfiltrated 490 Gb of data from Medical Arts Chemists and Surgicals (domain medarts.net), a US-based provider in the Medical Equipment and Surgical Supplies sector. The group states the leak contains “Prescriptions and Home Medical Equipment” data. Publication status on the leak post is listed as published.

Describes what the group claims on its leak site. A listing is not confirmation that a breach occurred.

Victim profile

Headquarters
United States
Revenue
$9M
Domains
medarts.net

What was taken

Prescriptions and Home Medical Equipment

Data categories
Financial dataHR dataPatients' private dataPIIPHIVendor dataClient dataPaymentsMailboxesOneDrive stored dataDatabase export

Leak-site images (2)

Images from the victim's leak listing. Thumbnails scraped from the onion page are blurred by default — click a thumbnail to view.

ThreatCluster capture
Logo featuring a mortar and pestle with green leaves, accompanied by the text "Medical Arts Chemists & Surgicals."
onion leak page 30 KB