Disclosure context

About Termite

Termite is a recently emerged ransomware group that first appeared in November 2024, operating with apparent financial motivations based on their targeting patterns across multiple high-value sectors. The group's origin and affiliations remain largely undocumented by major threat intelligence providers, though their targeting of primarily Western nations including the United States, France, United Kingdom, Germany, and Canada suggests a non-Western operational base. With 39 documented victims across healthcare, telecommunications, business services, and technology sectors within just a few months of operation, Termite demonstrates an aggressive deployment strategy, though specific details regarding their initial access vectors, encryption methodologies, and whether they employ double or triple extortion tactics have not been publicly documented by established security research organizations. The group's relatively recent emergence means that notable high-profile campaigns and specific technical indicators have not yet been extensively analyzed or reported by authoritative sources such as CISA, FBI, or major cybersecurity firms. Termite appears to remain active as of early 2025, though the limited public documentation suggests they may be a smaller-scale operation or have not yet attracted significant attention from major threat intelligence organizations. The group has been linked to 43 public disclosures across our corpus. First observed on a leak site on November 17, 2024; most recent post May 17, 2026. The operation is currently active.

Timeline of this disclosure

February 28, 2026Insight Hospital and Medical Center Chicago listed by Termiteon the group's public leak site

Data size: 300 GB
Records: 000 files

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, Insight Hospital and Medical Center Chicago is reported in United States, a country with 7,392 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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Insight Hospital and Medical Center Chicago

Claimed by Termite · listed 3 months ago

300 GB

Data size

000 files records

Age

since listed · data leaked

Status timeline

Listed
Feb 28, 2026
Data leaked

At a glance

Group: Termite
Status: Data leaked
Country: United States
Sector: Healthcare
Listed on leak site: Feb 28, 2026
Data size: 300 GB
Records: 000 files

About the victim

AI dossier — public-source company profile

Insight Hospital and Medical Center Chicago (formerly Mercy Hospital and Medical Center) is a teaching hospital founded in 1852 and headquartered in Chicago, Illinois. It is a member of Trinity Health and provides inpatient and outpatient medical services to the Chicago metropolitan area.

Industry: Hospital & Inpatient Medical Care
Address: Chicago, Illinois, United States
Founded: 1852

Attack summary

Severity: critical — A teaching hospital breach with 360 GB / ~900,000 files of confirmed exfiltrated data almost certainly contains protected health information (PHI), patient PII, and medical records at scale — qualifying as regulated sensitive data under HIPAA.

The Termite ransomware group claims to have exfiltrated approximately 360 GB (~900,000 files) of confidential data from Insight Hospital and Medical Center Chicago and has published the data on their leak site.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Confidential hospital records (~900,000 files)
Patient data (implied by healthcare context)
Administrative/operational files

The group's post references roughly 6 proof files.

What the group claims

Founded in 1852 Mercy Hospital and Medical Center is a member of Trinity Health. They are a teaching hospital headquartered out of Chicago, Illinois.

The leak post

captured from the group's site

```
[{"_id":"69e1671a786a0e50d7a6a887","title":"Millennium Dental Technologies","address":"https://www.lanap.com/","photos":["1b72bc1c085cbe73226e1d13904de51a.png","e774db75116b1628d17c1b8273c998e0.jpg","a52ed43bff287b7dd3d28884b3514b0a.jpg","4ac15bb80632c58a0ff6fd5a70b9f901.jpg","10deaea911310850bd3316df37bdaf01.jpg","3535a7ec8614dd8cf9e56f516f2f8b2c.jpg"],"description":"Founded in 1994 and Headquartered in Cerritos, California. Millennium Dental Technologies, Inc manufactures and distributes dental products. It offers PerioLase MVP-7, a laser designed especially for laser periodontal therapy that performs soft and hard tissue laser procedures.\n","extraInfo":"http:&#x2F;&#x2F;y4bdg56uaznmbptf7dgp5xn3sjyyh4qodqjrsbziqatnyapmiqqctgid.onion&#x2F;lanap&#x2F;\n","publishDate":"2026-04-16T22:46:01.000Z","viewersCount":882},{"_id":"69b89749c3aeb8d444653045","title":"Noll and Tam Architects","address":"https://www.nollandtam.com/","photos":["a0e8e82326bcdf54278bbef744453591.jpg"],"description":"Noll and Tam Architects specializes in creating innovative architectural designs that serve the common good. Their projects range from community centers and libraries to veterinary hospitals and e…

Screenshot of the leak post

Leak screenshot for Insight Hospital and Medical Center Chicago

Sources

Victim siteinsightchicago.com
Leak posthttp://termiteuslbumdge2zmfmfcsrvmvsfe4gvyudc5j6cdnisnhtftvokid.onion/post/69792ffffeb604ea6ee573d8

Source

Indexed 3 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.