Disclosure context

About devman

The devman ransomware group is a recently emerged threat actor that began operations in April 2025, demonstrating a financially motivated criminal enterprise with a focus on opportunistic targeting across multiple sectors and geographic regions. Given the group's recent emergence and limited public documentation, specific details regarding their country of origin, organizational structure, or potential affiliations with established ransomware-as-a-service operations remain unknown to major cybersecurity agencies and researchers. The group's attack methodology and technical capabilities have not been thoroughly documented by reputable security firms, though their targeting patterns suggest a broad opportunistic approach rather than highly specialized tactics. In the brief period since their emergence, devman has reportedly compromised 184 victims across diverse sectors including technology, healthcare, public sector organizations, and agriculture and food production, with primary targeting concentrated in the United States, France, Svalbard and Jan Mayen, Taiwan, and Thailand, though the inclusion of Svalbard and Jan Mayen in their targeting list may indicate data collection anomalies rather than actual operational focus on this remote Arctic territory. As of current reporting, devman appears to remain an active threat, though the lack of detailed technical analysis or law enforcement advisories suggests they may be operating at a relatively low profile compared to more established ransomware groups. The group has been linked to 184 public disclosures across our corpus. First observed on a leak site on April 6, 2025; most recent post February 4, 2026. The operation is currently active.

Timeline of this disclosure

January 30, 2026woodwardoralsurgery.com listed by devmanon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Healthcare sector, which has 1,779 disclosures indexed across all operators we track. Geographically, woodwardoralsurgery.com is reported in SJ, a country with 7 ransomware disclosures in our corpus.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.

Ransomware victim disclosure

← All victims

Woodward Oral Surgery

listed as woodwardoralsurgery.com · Claimed by devman · listed 4 months ago

Age

since listed · data leaked

Status timeline

Listed
Jan 30, 2026
Data leaked

At a glance

Group: devman
Status: Data leaked
Country: SJ
Sector: Healthcare
Listed on leak site: Jan 30, 2026

About the victim

AI dossier — public-source company profile

Woodward Oral Surgery is a family-owned oral and maxillofacial surgery practice located in Tulsa, Oklahoma. Operating as the only father-and-son oral surgery office in Oklahoma, the practice offers procedures including tooth extractions, dental implants, bone grafts, and oral pathology services. The practice has over 30 years of combined experience serving patients in Oklahoma.

Industry: Oral & Maxillofacial Surgery
Address: 4617 East 91st Street, Tulsa, OK 74137

Attack summary

Severity: critical — Confirmed exfiltration and publication of patient medical records from a healthcare provider constitutes a breach of regulated sensitive data (PHI/HIPAA-protected), meeting the critical threshold.

The group 'devman' claims to have exfiltrated patient data and medical records (med cards) from Woodward Oral Surgery, with the disclosure status indicating the data has been published.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Patient data
Medical records / med cards

What the group claims

Patient data, med cards

Sources

Victim sitewoodwardoralsurgery.com
Leak posthttp://devmanblggk7ddrtqj3tsocnayow3bwnozab2s4yhv4shpv6ueitjzid.onion

Source

Indexed 4 months ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.