high severity December 15, 2025 · 3 min read Unverified claim — what this is

Merko Ehitus Listed by Qilin Ransomware Group

If you are a customer of Merko Ehitus, here’s what is being claimed, and what it would mean for you.

Merko Ehitus was listed on the qilin ransomware leak site. The group claims to have stolen internal data.
— from Qilin’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.

Merko Ehitus Listed by Qilin Ransomware Group

On December 15, 2025, Estonian construction company Merko Ehitus appeared on the leak site of the qilin ransomware group, which claims to have stolen and is prepared to publish the firm’s internal files.

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What Public Reporting Shows

Public reporting indicates that Merko Ehitus was listed on the qilin leak portal with an announcement that internal data had been exfiltrated during a ransomware incident. The exact number of files or their specific contents has not been independently verified by third parties, and the company has not yet issued a detailed public statement on the volume or sensitivity of the material. Available reporting describes the listing as part of qilin’s standard double-extortion process, in which the group first demands ransom for decryption and non-disclosure, then threatens public release if payment is not made.

Internal files are the category of data described as stolen. No customer personal data, payment card details, or employee records have been confirmed as exposed in open summaries, though the broad term “internal files” in ransomware incidents frequently includes contracts, employee information, financial spreadsheets, and operational documents.

Why This Matters for You and Your Family

When a company that builds homes, offices, and public infrastructure is hit, the information stolen can easily include contracts containing your address, phone number, email, or the names of family members. Even if you never directly interacted with Merko Ehitus, supply-chain leaks like this often ripple outward. Partners, subcontractors, and clients end up in the same datasets. Once those records reach criminal marketplaces, anyone can buy them and begin linking your details across other breaches.

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Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo

value redacted in this samplephone, household, property recordsBeenVerified

value redacted in this sample580 companies checked

Found in breach recordsverifiedreported — unverified

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verifiedvalue redacted in this samplepassword + phone · 2024telecom breach

unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

Report details & sourcing

Attributed to Qilin · 2351 incidents tracked →

Severity High the filing does not enumerate what was exposed

Disclosed December 15, 2025

Last reviewed August 8, 2026

Affected Unconfirmed

By GalaxyWarden Threat Research · Editorial & sourcing standards

Unverified claim — what this report is

This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.

Editorial & sourcing policy

GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.

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Qilin — 2351 incidents tracked

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