Was Sarmap hit by ransomware?

Sarmap was listed by the Everest ransomware operation (Switzerland), 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 Sarmap breach?

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

Ransomware victim disclosure

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Sarmap

Claimed by Everest · listed 7 months ago

Age

since listed · data leaked

Status timeline

ListedDec 2, 2025
Data leakeddate unknown

At a glance

Group: Everest
Status: Data leaked
Country: Switzerland
Sector: Technology
Listed on leak site: Dec 2, 2025

About the victim

AI dossier — public-source company profile

Sarmap is a Swiss company specialising in geospatial software and remote sensing services, particularly SAR (Synthetic Aperture Radar) data processing. The company develops software tools and provides consulting for satellite image analysis used in environmental monitoring, land use mapping, and disaster management. It operates primarily out of Switzerland and serves clients in government, research, and international development sectors.

Industry: Geospatial Software & Remote Sensing
Employees: 11-50
Founded: 1992

Attack summary

Severity: medium — Data is listed as published by Everest, implying confirmed exfiltration, but the leak post provides no specifics on data type, volume, or sensitivity. Sarmap's work adjacent to government and environmental monitoring carries moderate sensitivity risk, but no regulated PII, medical, or defence data is confirmed, warranting medium rather than high.

The Everest ransomware group claims to have attacked Sarmap and lists the disclosure status as data_published, indicating exfiltrated data has been released or made available; however, the leak post itself contains no detail on the nature or volume of data involved.

medium

Data the group says was taken

AI dossier — extracted from the leak post

Company internal files (unspecified)

Original description

AI-summarised, not from the leak post

Sarmap is a Swiss technological company that specializes in the field of Earth Observation. Established in 1998, the company develops software tools and provides applications mainly to the remote sensing community. Their specialization lies in radar and radar satellite data processing and distribution, for agriculture, environment, and disaster monitoring.

The leak post

captured from the group's site

© 2026, All rights reserved
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Sources

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

Source

Indexed 7 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

December 2, 2025Sarmap 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 Technology sector, which has 3,549 disclosures indexed across all operators we track. Geographically, Sarmap is reported in Switzerland, a country with 154 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Everest means Sarmap 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, NCSC-CH (Switzerland), 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.