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high severity April 25, 2025 · 3 min read Unverified claim — what this is

M'AR De AR Hotels Listed by nitrogen Ransomware Group

If you are a customer of M'AR De AR Hotels, here’s what is being claimed, and what it would mean for you.

M'AR De AR Hotels is a hotel group in Portugal, offering a range of accommodations primarily in the southern region of the country. The group aims to deliver a luxurious yet comfortable experience for guests, with a focus on personalized service, elegant designs, and proximity to key tourist destinations.

— from Nitrogen’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.
M'AR De AR Hotels Listed by nitrogen Ransomware Group

On April 25, 2025, the Portuguese hotel group M’AR De AR Hotels appeared on the leak site of the nitrogen ransomware group in a listing claiming internal files were exfiltrated during a ransomware attack.

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What Public Reporting Shows

Public reporting indicates that M’AR De AR Hotels, which operates luxury accommodations mainly in southern Portugal, had data taken by the attackers. The group lists the incident on its dark-web leak page, stating that internal files were exfiltrated. Available reporting describes the exposed material as internal documents, though the exact volume and full list of data types remain unclear. No confirmed total of affected guests or employees has been released. The hotel group has not yet issued a public statement detailing the breach scope or timeline of the intrusion.

Why This Matters for You and Your Family

When a hotel chain is breached, the personal details you provided during a booking — email addresses, phone numbers, home addresses, dates of stay, and sometimes payment information — can end up in criminal hands. Internal files often contain exactly this kind of guest data alongside employee records. Once leaked, these details rarely stay isolated. They become building blocks for identity theft, phishing campaigns, and unwanted contact that can affect your family for years. Even if you stayed at one of their properties years ago, your information may still be in the stolen files.

The Doxxing and Identity-Chain Implications

A single hotel breach rarely stops at the initial data set. Criminals use leaked emails and phone numbers to locate associated social-media handles, gaming accounts, and family-member profiles. This creates an identity chain that links your vacation booking to your everyday online life. Public reporting shows these chains frequently lead to doxxing, where attackers publish personal addresses, children’s names, or photos. Credential leaks like this one routinely cascade into account takeovers on travel apps, loyalty programs, and gaming platforms used by you or your children.

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 exposure of your data is caught in hours rather than months.
  • Rotate any password you used when booking with M’AR De AR Hotels or any of its properties, and switch on 2FA through an authenticator app everywhere that password was reused.
  • Cover the entire household with DoxxScan family protection, which extends 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 exposed records while you focus on securing your accounts.

Hotel booking data may seem harmless until it becomes the starting point for a larger compromise of your family’s privacy. Acting quickly on the credentials and personal details already exposed can limit the damage before criminals stitch together a complete profile. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, with household coverage that includes children’s gaming accounts.

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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M'AR De AR Hotels is one listing. Your email is probably in others.
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Report details & sourcing

Severity High
Disclosed April 25, 2025
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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