Marie Kruses Skole
thegentlemen listed this organization on its leak site on Oct 31, 2026.
- Listing date
- Oct 31, 2026
- Attack date
- Oct 26, 2026
Listing text
mks.dk Marie Kruses Skole is a private school in Farum, Denmark, founded in 1869 by education pioneer Marie Kruse, offering a full track from kindergarten through gymnasium STX to about 1100 students. It is the only free primary school and the only gymnasium in Furesø Kommune, employing 107 people and led by rektor Carsten Gade. The school runs 8 gymnasium study lines including Biotek, Mat-Fys, sports, business, super languages and music, plus unique programs like Kruse Elitesport and diving. Revenue in 2024 reached 109.5 million Danish kroner with a 1.4 million profit, backed by 68 percent state subsidy and a stable surplus for 5 straight years. Tuition is 2190 kroner per month with financial aid available, and it attracts over 1100 students on its waiting list. Its key strengths are 157 years of heritage, top national exam results and free admissions independent of municipal student distribution rules.
About the group
thegentlemen posted its first listing on Sep 9, 2025 and has listed 1,253 organizations to date.
The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server in 2026 revealed more than 1,570 linked victims.
Learning center
What does this listing mean?
Ransomware groups move data out of the organization before encrypting systems and threaten to publish it if the ransom is not paid. This method is called double extortion.
The listing shows that the group claims to have targeted the organization. Whether the data was published is shown by the later status of the listing.
What should you do if your organization is listed on a leak site?
- Record the listing and any published sample files; do not visit the leak site from the corporate network.
- Isolate affected systems and preserve logs without deleting them.
- Determine which data left the organization; if personal data is involved, review notification obligations with your legal team.
- Make any decision about the ransom demand together with legal, management and incident response.
- Do not bring systems back online before the attacker’s entry point is closed.
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