Disclosure context

About krybit

Krybit is an emerging ransomware group that was first observed in April 2026, operating with apparent financial motivations based on their limited documented attacks against diverse sectors. The group's origin and affiliations remain unclear due to limited public intelligence, and it is unknown whether they operate as a Ransomware-as-a-Service model or as an independent entity. With only four known victims documented across geographically diverse regions including Mexico, Austria, Japan, and Botswana, the group appears to employ broad targeting rather than focused regional or sector-specific campaigns, though their attack methodology, encryption techniques, and data exfiltration practices have not been publicly documented by major security firms or law enforcement agencies. No notable high-profile campaigns or significant ransoms have been publicly reported, and no law enforcement actions against the group have been documented. Given the recent emergence of this group and extremely limited public reporting, Krybit's current operational status and capabilities remain largely unknown to the broader cybersecurity community. The group has been linked to 31 public disclosures across our corpus. First observed on a leak site on April 3, 2026; most recent post May 19, 2026. The operation is currently active.

Timeline of this disclosure

May 1, 2026bomuhospital.org listed by krybiton 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, bomuhospital.org is reported in Tanzania.

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

bomuhospital.org

Claimed by krybit · listed 19 days ago

19d

Age

since listed · data leaked

Status timeline

Listed
May 1, 2026
Data leaked

At a glance

Group: krybit
Status: Data leaked
Country: Tanzania
Sector: Healthcare
Listed on leak site: May 1, 2026

About the victim

AI dossier — public-source company profile

Bomu Hospital is a non-profit, non-governmental social enterprise based in Changamwe, Mombasa, Kenya, providing primary and secondary healthcare services to patients regardless of economic status. The hospital offers a broad range of services including inpatient/outpatient care, maternal and child health, HIV/AIDS care and treatment, TB programs, radiology, surgery, and several specialist clinics. It operates multiple branches and runs community health programs such as PMTCT, orphan feeding, and fistula treatment.

Industry: Non-Profit Primary & Secondary Healthcare
Address: Changamwe, P.O. Box 95683-80106, Mombasa, Kenya

Attack summary

Severity: critical — The victim is a healthcare provider handling highly sensitive regulated data including HIV/AIDS care, TB treatment, maternal health, and pediatric records — categories of medical PII that are among the most sensitive possible. Data is confirmed published, affecting a vulnerable patient population in a low-resource setting.

The group krybit claims to have published data from Bomu Hospital, with the disclosure status marked as data_published, indicating exfiltration and release of data. No ransom amount or specific data volume was stated in the post.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Patient health records
Medical program data (HIV/AIDS, TB, PMTCT)
Staff and personnel records
Donor and financial records
Organizational documents

What the group claims

Bomu Hospital is a social enterprise dedicated to providing access to quality healthcare for all individuals, regardless...

The leak post

captured from the group's site

ECLAGESTIÓ A Spanish company specializing in comprehensive management for businesses and individuals, operating in the... 
Ovex Tech specializes in providing comprehensive BPO services and call center solutions, including inbound and outbound ... 
Foodsmart Dominicana, S.R.L A company operating in the food industry Specializing in flour derivative products (harina... 
Bomu Hospital is a social enterprise dedicated to providing access to quality healthcare for all individuals, regardless... 
WEISS PM: The ideal company for tailored recruitment solutions. For nearly 40 years, WEISS PM has been a trusted partner... 
ZSIC Life Plc is a leading assurance, savings, and wealth management company in Zambia, offering a diverse range of life... 
moser-spiel.at is an Austrian company specializing in the design and manufacture of outdoor play equipment and sports pa... 
Narteks Tekstil Sanayi ve Ticaret A.Ş., one of the well-known Turkish companies in the cotton yarn and textile industry... 
The attorneys at the Imbrie Law Firm practice primarily in the following counties: Brazos, Robertson, Burleson, Lee, Gri... 
iseg Spezialelektronik GmbH is a German company specializing in high-voltage mic…

Sources

Source

Indexed 19 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.