high severity January 30, 2025 · 3 min read Unverified claim — what this is

www.monaghan.eu Listed by Qilin Ransomware Group

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

monaghan.eu was listed on Qilin's leak site. Qilin claims to have stolen internal data. This is the group's claim, not a confirmed finding.

www.monaghan.eu Listed by Qilin Ransomware Group

On January 30, 2025, the Irish grocery retail company Monaghan Group appeared on the leak site of the qilin ransomware group, with attackers claiming to have exfiltrated internal files from the firm’s systems.

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What Public Reporting Shows

Public reporting indicates that Monaghan Group, which employs between 250 and 499 people and generates annual revenue between €100 million and €250 million, was listed on the qilin ransomware leak portal. The data exposed consists of internal files taken during a ransomware incident. No confirmed total number of affected individuals has been released, and the precise volume or sensitivity of the stolen documents remains unclear from available reporting. The company, headquartered in Monaghan, Ulster, Ireland, operates in the grocery retail sector.

Why This Matters for You and Your Family

When a company like Monaghan suffers a breach, the information it holds about suppliers, customers, employees, and partners can end up in the hands of criminals. Internal files often contain names, addresses, contact details, dates of birth, financial records, or employee information that criminals can use to target ordinary people. If you or anyone in your family has ever shopped at one of their stores, worked with them, or had your details stored in their systems, this incident could put your personal data at risk. Criminals do not limit themselves to big corporations; they follow the data trail straight to households.

The Doxxing and Identity-Chain Implications

Stolen internal files frequently include email addresses, usernames, phone numbers, or other identifiers that link your online activity to your real identity. Once criminals obtain even a small piece of information, they can chain it with data from previous breaches to build a complete profile. This process often leads to doxxing, where your home address, family members’ names, or children’s details are exposed. Credential leaks of this nature regularly cascade into account takeovers, especially on gaming platforms where children use the same email addresses or passwords as their parents. A single breach can therefore threaten the safety and privacy of every member of your household.

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Report details & sourcing

Attributed to Qilin · 2349 incidents tracked →

Severity High the filing does not enumerate what was exposed

Disclosed January 30, 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 — 2349 incidents tracked

Every breach we've attributed to Qilin, in one running log. See who else they've hit →

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