Was MedicalGPT hit by ransomware?

MedicalGPT was listed by the Killsecurity ransomware operation (United States), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the Killsecurity ransomware group?

Killsecurity is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the MedicalGPT breach?

Killsecurity published data attributed to MedicalGPT. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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MedicalGPT

Claimed by Killsecurity · listed 4 months ago

Age

since listed · data leaked

Status timeline

ListedMar 6, 2026
Data leakeddate unknown

At a glance

Group: Killsecurity
Status: Data leaked
Country: United States
Sector: Healthcare
Listed on leak site: Mar 6, 2026

About the victim

AI dossier — public-source company profile

MedicalGPT (medicalgpt.info) appears to be a US-based healthcare technology company leveraging AI or GPT-based tools for medical applications. No public site content was available to confirm operational details, scale, or specific services offered. The company operates in the healthcare sector, suggesting it may handle sensitive patient or clinical data.

Industry: Healthcare AI / Medical Technology

Attack summary

Severity: high — The victim operates in the healthcare sector and data_published status indicates confirmed exfiltration; healthcare entities typically handle regulated PII and medical data (HIPAA-covered), warranting a high severity rating. Insufficient detail to confirm scale required for critical.

Killsecurity claims to have compromised MedicalGPT and has published data (disclosed status: data_published), though the leak post contains minimal detail with no stated ransom and zero disclosed proof items out of one anticipated disclosure.

high

What the group claims

Price ??? Disclosures 0/1

Sources

Victim sitemedicalgpt.info

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.

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Disclosure context

About Killsecurity

Killsecurity is a relatively new ransomware group that emerged in March 2024, operating with apparent financial motivations and demonstrating rapid expansion in their victim targeting. The group's origin and affiliations remain unclear due to limited public documentation from major threat intelligence sources, though their global targeting pattern suggests a sophisticated operation. Based on available victim data, Killsecurity has compromised 276 organizations primarily across the United States, India, United Kingdom, Brazil, and Belgium, with a particular focus on healthcare, technology, business services, and financial sectors. The group's attack methodology, encryption techniques, and specific tools remain undocumented in public threat intelligence reports from established security firms. Notable campaigns and high-profile victims have not been extensively documented by major cybersecurity organizations or law enforcement agencies, likely due to the group's recent emergence. Killsecurity appears to remain active as of current reporting, though comprehensive analysis of their operations is limited by the lack of detailed technical documentation from reputable threat intelligence sources. The group has been linked to 277 public disclosures across our corpus. First observed on a leak site on March 21, 2024; most recent post May 15, 2026. The operation is currently active.

Timeline of this disclosure

March 6, 2026MedicalGPT listed by Killsecurityon the group's public leak site

Other recent disclosures by Killsecurity

Killsecurity has been linked to 277 public victims on Darkfield. A sample of the most recent:

See the full Killsecurity dossier →

Sector and geography

This disclosure adds to ransomware activity in the Healthcare sector, which has 2,600 disclosures indexed across all operators we track. Geographically, MedicalGPT is reported in United States, a country with 11,033 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Killsecurity means MedicalGPT appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
Report the incident to your national CERT, CISA (United States), as required for your jurisdiction.
Monitor for the data appearing on Killsecurity's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

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.