Was Professional Trust Company hit by ransomware?

Professional Trust Company was listed by the Everest 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 Everest ransomware group?

Everest 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 Professional Trust Company breach?

Everest published data attributed to Professional Trust Company. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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Professional Trust Company

Claimed by Everest · listed 10 months ago

10m

Age

since listed · data leaked

Status timeline

ListedSep 15, 2025
Data leakeddate unknown

At a glance

Group: Everest
Status: Data leaked
Country: United States
Sector: Financial Services
Listed on leak site: Sep 15, 2025

About the victim

AI dossier — public-source company profile

Professional Trust Company operates in the financial services sector, likely providing trust administration, fiduciary, and related financial services. No public site content was available to confirm specific operational details, scale, or geographic location. The company name suggests it functions as a trust company offering professional asset and estate management services.

Industry: Financial Services & Trust Administration

Attack summary

Severity: high — The disclosure status is 'data_published', meaning data has already been released publicly. As a financial services/trust company, the data likely contains sensitive financial records, client PII, and fiduciary information. Confirmed exfiltration and publication of financial sector data elevates this to high; insufficient detail to confirm regulated data at scale (e.g. mass PII) that would warrant critical.

The Everest ransomware group claims to have published (leaked) data belonging to Professional Trust Company, as indicated by the 'data_published' disclosure status. The leak post lists the victim among numerous other organisations whose databases have been leaked, implying exfiltration and public release of company data.

high

Data the group says was taken

AI dossier — extracted from the leak post

Company database contents

Original description

AI-summarised, not from the leak post

N/A

The leak post

captured from the group's site

© 2026, All rights reserved
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Sources

Leak posthttp://ransomocmou6mnbquqz44ewosbkjk3o5qjsl3orawojexfook2j7esad.onion/news/Professional_Trust_Company

Source

Indexed 10 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 Everest

Everest is a financially-motivated ransomware group that emerged in September 2021, operating with a focus on profit-driven extortion campaigns against organizations primarily in the United States and Europe. The group's country of origin and specific affiliations remain undocumented in public threat intelligence reporting, though their operational patterns suggest they likely operate as an independent entity rather than a formal ransomware-as-a-service model. Limited public documentation exists regarding Everest's specific attack methodologies, initial access vectors, or technical capabilities, though their victim profile indicates they employ standard ransomware tactics targeting a diverse range of sectors including healthcare, technology, business services, and manufacturing organizations. Since their emergence, Everest has claimed responsibility for attacks against 339 victims across multiple countries, with the United States, United Kingdom, Italy, Germany, and Spain representing their primary geographic targets, though no specific high-profile incidents or major ransoms have been publicly documented by law enforcement or major security firms. As of current reporting, Everest appears to remain an active threat actor, though the limited public intelligence available suggests they operate as a lower-tier ransomware group compared to more prominent and well-documented criminal organizations. The group has been linked to 369 public disclosures across our corpus. First observed on a leak site on September 9, 2021; most recent post May 29, 2026. The operation is currently active.

Timeline of this disclosure

September 15, 2025Professional Trust Company listed by Evereston the group's public leak site

Other recent disclosures by Everest

Everest has been linked to 369 public victims on Darkfield. A sample of the most recent:

See the full Everest dossier →

Sector and geography

This disclosure adds to ransomware activity in the Financial Services sector, which has 1,184 disclosures indexed across all operators we track. Geographically, Professional Trust Company is reported in United States, a country with 11,033 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Everest means Professional Trust Company 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 Everest'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.