Disclosure context

About genesis

Genesis is a recently emerged ransomware group that was first observed in October 2025, operating with apparent financial motivations based on their targeting patterns across multiple high-value sectors. The group has demonstrated a relatively aggressive operational tempo since emergence, accumulating 54 documented victims within a short timeframe. Given the limited public documentation available from established threat intelligence sources regarding this newly identified group, specific details about their country of origin, organizational structure, and precise attack methodologies remain under investigation by security researchers. The group's targeting patterns indicate a preference for victims in the United States and United Kingdom, with additional activity observed in Malaysia and Spain, suggesting either a broad operational scope or the use of automated targeting tools that do not discriminate by geography. Their sector targeting reveals a focus on healthcare, manufacturing, business services, and financial services organizations, indicating they may prioritize entities with both high revenue potential and critical operational dependencies that increase pressure for ransom payment. Due to the group's recent emergence and limited reporting from major threat intelligence organizations such as Mandiant, CISA, or FBI, comprehensive details regarding their specific encryption methods, initial access vectors, data exfiltration practices, or notable high-profile campaigns have not yet been publicly documented. Genesis remains an active threat as of current reporting, though their operational longevity and potential connections to established ransomware ecosystems continue to be assessed by the cybersecurity community. The group has been linked to 82 public disclosures across our corpus. First observed on a leak site on October 21, 2025; most recent post May 19, 2026. The operation is currently active.

Timeline of this disclosure

May 19, 2026American Board of Preventive Medicine (ABPM) listed by genesison the group's public leak site

Data size: 200 GB

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, American Board of Preventive Medicine (ABPM) is reported in US, a country with 2,713 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

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American Board of Preventive Medicine (ABPM)

Claimed by genesis · listed 2 days ago

200 GB

Data size

Age

since listed · data leaked

Status timeline

Listed
May 19, 2026
Data leaked

At a glance

Group: genesis
Status: Data leaked
Country: US
Sector: Healthcare
Listed on leak site: May 19, 2026
Data size: 200 GB

About the victim

AI dossier — public-source company profile

The American Board of Preventive Medicine (ABPM) is a Member Board of the American Board of Medical Specialties (ABMS), founded in 1948. It develops and administers certification standards for over 12,000 physicians across specialties including Aerospace Medicine, Occupational Medicine, Public Health and General Preventive Medicine, and subspecialties such as Addiction Medicine, Clinical Informatics, Medical Toxicology, and Undersea and Hyperbaric Medicine. ABPM operates within the United States healthcare credentialing ecosystem.

Industry: Medical Specialty Board Certification
Founded: 1948

Attack summary

Severity: critical — 200 GB of data has been fully published, including PII and certification records of over 12,000 physicians, financial data, and customer personal data — constituting confirmed large-scale exfiltration of regulated PII in a healthcare-adjacent credentialing context.

The genesis ransomware group claims to have exfiltrated 200 GB of data from ABPM, including physician certification records, personal data of customers and certified staff, financial data, operational data, and file server contents, all of which have been published via downloadable archives on their onion site.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Physician certification data
Personal data of certified staff
Personal data of customers
Operational data
Financial data
Company file server contents

The group's post references roughly 26 proof files.

What the group claims

The ABPM is a Member Board of the American Board of Medical Specialties (ABMS). Founded in 1948, ABPM works with the ABMS in the development of standards for the ongoing assessment and certification of over 12,000 physicians certified by the ABPM in the Specialties of Aerospace Medicine, Occupational Medicine, and Public Health and General Preventive Medicine, and in the Subspecialties of Addiction Medicine, Clinical Informatics, Medical Toxicology and Undersea and Hyperbaric Medicine.

The leak post

captured from the group's site

The ABPM is a Member Board of the American Board of Medical Specialties (ABMS). Founded in 1948, ABPM works with the ABMS in the development of standards for the ongoing assessment and certification of over 12,000 physicians certified by the ABPM in the Specialties of Aerospace Medicine, Occupational Medicine, and Public Health and General Preventive Medicine, and in the Subspecialties of Addiction Medicine, Clinical Informatics, Medical Toxicology and Undersea and Hyperbaric Medicine.

```
- 200 Gb of accessible data.
- Certification Data. 
- Data of certified staff.
- Personal data of customers.
- Operational Data.
- Financial Data.
- Data from company fileserver. 

```

[Download The List of Company Files](http://genesis6ixpb5mcy4kudybtw5op2wqlrkocfogbnenz3c647ibqixiad.onion/download/5fbef11c89ddb34c6e90.txt)
[Download The List of Archive Contents](http://genesis6ixpb5mcy4kudybtw5op2wqlrkocfogbnenz3c647ibqixiad.onion/download/5fbef11c89ddb34c6e90_archive_content.txt)
[Download company data archives part 1](http://genesis6ixpb5mcy4kudybtw5op2wqlrkocfogbnenz3c647ibqixiad.onion/download/5fbef11c89ddb34c6e90_part1.tar.gz) [Download company data archives part 2](http://genesis6ixpb5m…

Data the group says was taken

Certification Data
Data of certified staff
Personal data of customers
Operational Data
Financial Data
Data from company fileserver

Screenshot of the leak post

Leak screenshot for American Board of Preventive Medicine (ABPM)

Sources

Leak posthttp://genesis6ixpb5mcy4kudybtw5op2wqlrkocfogbnenz3c647ibqixiad.onion/5fbef11c89ddb34c6e90/

Source

Indexed 2 days 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.

Disclosure context

About genesis

Timeline of this disclosure

Other recent disclosures by genesis

Sector and geography

Status timeline

At a glance

About the victim

Attack summary

Data the group says was taken

What the group claims

The leak post

Data the group says was taken

Screenshot of the leak post

Sources

Source