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 21, 2026www.mims.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, www.mims.com is reported in SN.

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

MIMS

listed as www.mims.com · Claimed by devman · listed 4 months ago

Age

since listed · data leaked

Status timeline

Listed
Jan 21, 2026
Data leaked

At a glance

Group: devman
Status: Data leaked
Country: SN
Sector: Healthcare
Listed on leak site: Jan 21, 2026

About the victim

AI dossier — public-source company profile

MIMS is an online medical reference platform primarily serving healthcare professionals across the Asia-Pacific and Middle East regions, including countries such as Malaysia, Hong Kong, India, Indonesia, the Philippines, Singapore, Thailand, and Vietnam. It provides a comprehensive drug information database covering thousands of prescription medications, a pill identifier tool, medical news, and continuing medical education (CME/CPD) activities. Its users include doctors, pharmacists, nurses, and medical students.

Industry: Medical Information & Drug Reference Services

Attack summary

Severity: high — Data has been published (disclosed status: data_published) from a platform used by tens of thousands of healthcare professionals across multiple countries, likely containing PII such as names, emails, professions, and credentials of doctors, pharmacists, and nurses, as well as potentially sensitive professional activity records.

The group 'devman' claims an attack on MIMS with a disclosed status of data_published, indicating that data has been exfiltrated and published. No specific ransom amount or data volume was stated, but the platform holds sensitive drug and potentially user/professional account data.

high

Data the group says was taken

AI dossier — extracted from the leak post

Drug database records
Medical professional user accounts
Prescription medication information
CME/CPD course and participant data
Medical news and editorial content
User credentials (usernames, emails, passwords)

Original description

AI-summarised, not from the leak post

Mims.com is an online resource for medical professionals used mainly in Asia-Pacific and Middle East regions. It provides latest drug information and medical news, with a database featuring information about thousands of prescription medications. It also offers feature articles, opinion pieces and continuing medical education (CME) activities. It's extensively used by doctors, pharmacists, nurses and students.

Sources

Victim sitewww.mims.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.