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high severity April 08, 2024 · 3 min read Unverified claim — what this is

Mu*****.eu Listed by cloak Ransomware Group

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

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

Mu*****.eu Listed by cloak Ransomware Group

On April 08, 2024, the Spanish company Mu*****.eu appeared on the public leak site operated by the cloak Ransomware Group. The listing states that internal files were exfiltrated during a ransomware attack, although the exact number of affected records and the specific data types contained in those files remain undisclosed by the threat actors.

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Details from the Leak Site Listing

The primary disclosure on the cloak leak site states that Mu*****.eu, a Spain-based entity, was listed as a victim on April 08, 2024. It explicitly notes that the company suffered a ransomware attack in which internal files were allegedly exfiltrated. The listing does not quantify the volume of data taken, name the precise systems compromised, or reveal any sample files. As is common with many ransomware groups, the actors appear to be using the public posting both to pressure the victim for payment and to demonstrate possession of the stolen material. No ransom demand figure is published on the page itself.

Why This Matters for You and Your Family

When a company that handles customer orders, payments, or personal details is breached, the information you provided — such as names, addresses, email addresses, phone numbers, or payment records — can end up in criminal hands. Even though the cloak listing does not detail what was taken, the exposure of internal files typically includes exactly this kind of operational data. For ordinary people and their families, the result is an increased risk of identity theft, phishing campaigns tailored with real details from the breach, and potential financial fraud. If you or any member of your household has interacted with Mu*****.eu in the past, your information may now be circulating among cybercriminals who specialize in turning stolen data into profit.

The Doxxing and Identity-Chain Risks

Exfiltrated internal files frequently contain spreadsheets or databases that link customer identities to email addresses, phone numbers, physical addresses, and sometimes account credentials. Once criminals possess these connections, they can build detailed identity chains that link your online handles to your real-world identity. This chaining process turns a single breach into long-term exposure: attackers can pivot from one compromised account to others, escalate privileges, and eventually dox individuals or families. Credential leaks of this nature also cascade into gaming accounts belonging to you or your children, where usernames and reused passwords become entry points for account takeovers, harassment, and further data theft.

Cloak Ransomware Group’s Known Track Record

Public reporting attributes the emergence of the cloak Ransomware Group to late 2023. The group has since targeted organizations across Europe and North America, with a focus on mid-sized companies in retail, manufacturing, and professional services. Notable prior victims listed on ransomware leak aggregators include firms in healthcare and logistics sectors, although exact details vary by incident. Their typical playbook involves initial access through phishing or exploited remote desktop services, followed by deployment of ransomware to encrypt systems while quietly exfiltrating sensitive files. After exfiltration, cloak follows a double-extortion model: they demand payment to prevent both the release of the stolen data and the public disclosure of the victim’s name. When payment is not received, they publish a sample or the full archive on their leak site, as seen with the Mu*****.eu listing.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, then use the cleanup to remove what you can.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next time your data surfaces it is caught within hours rather than months.
  • Rotate any passwords you used at Mu*****.eu or similar services and replace them with unique, strong passwords managed by a reputable password manager.
  • Cover the household with DoxxScan family coverage that extends protection to dependents and children’s gaming accounts that often chain back to the same address or email.
  • Let remediation specialists handle takedown requests across data brokers and extortion sites on your behalf while you focus on securing your own accounts.

The Mu*****.eu breach is a reminder that ransomware operators continue to treat customer and operational data as currency. Staying ahead requires more than reactive checks; it demands ongoing visibility into where your information appears. DoxxScan by GalaxyWarden delivers exactly that through continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts. Start your DoxxScan trial today to close the gaps criminals exploit.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

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 sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

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.

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Report details & sourcing

Severity High
Disclosed April 08, 2024
Last reviewed August 8, 2026
Affected Unconfirmed
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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