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high severity February 27, 2026 · 3 min read Unverified claim — what this is

Grand Hotel Listed by thegentlemen Ransomware Group

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

Grand Hotel was listed on The Gentlemen's leak site. The Gentlemen claims to have stolen internal data. This is the group's claim, not a confirmed finding.

Grand Hotel Listed by thegentlemen Ransomware Group

On February 17, 2026, the Grand Hotel in Taipei appeared on the leak site of the ransomware group known as thegentlemen. Internal files were allegedly exfiltrated during a ransomware attack on the historic 14-storey property, which has stood on Yuanshan overlooking the Keelung River since 1952. Anyone whose personal information was stored in the hotel’s booking systems, vendor records, employee files or guest databases may now be exposed.

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What's Publicly Reported from Reporting

Public reporting indicates the hotel’s data was listed on the group’s .onion leak site hosted at tezwsse5czllksjb7cwp65rvnk4oobmzti2znn42i43bjdfd2prqqkad.onion. The listing includes references to grand-hotel.org and a ZoomInfo company page. Available details describe the stolen material as internal files exfiltrated in a ransomware incident. The exact number of people affected remains unknown, and the precise date of initial compromise has not been publicly confirmed. No samples of the leaked data have been independently verified by third-party researchers at the time of writing.

Why This Matters for You and Your Family

When a hotel suffers a breach, the information at risk often includes names, addresses, phone numbers, email addresses, dates of stay, payment details and passport copies. If you or your family have stayed at the Grand Hotel, attended events there, or appear in its supplier or employee records, your details could surface on dark-web forums within weeks. Credential leaks like this one frequently cascade into account takeovers elsewhere because people reuse the same passwords across services. Children’s accounts tied to family email addresses are especially vulnerable once a parent’s information is public.

The Doxxing and Identity-Chain Implications

Stolen hotel records rarely stay isolated. Attackers combine guest data with other breaches to build detailed identity chains linking real names to email addresses, phone numbers, social-media handles and even children’s gaming accounts. Once mapped, this information enables targeted doxxing, SIM-swapping, extortion or identity theft. Public reporting shows these chains can expose an entire household in a matter of days if the initial leak is not addressed quickly.

The Gentlemen Ransomware Group’s Track Record

Public reporting attributes the attack to thegentlemen, a ransomware operation that emerged in late 2024. The group is known for targeting mid-sized organizations across hospitality, healthcare and professional services. Notable prior victims listed on their leak site include healthcare providers and logistics companies. Their typical playbook involves gaining initial access through phishing or exploited remote-desktop services, exfiltrating sensitive files before encryption, then publishing samples on their leak site if ransom demands are not met. Extortion pressure is applied through both data leaks and direct contact with victims.

What to do

  • Run a DoxxScan to map every link between your email addresses, phone numbers, handles and real identity so you can see exactly what the breach has exposed.
  • Rotate any password you used when booking at the Grand Hotel or on related services, then enable two-factor authentication through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1 billion+ breach records and more than 100 platforms so the next leak that touches your family is caught within hours instead of months.
  • Cover the entire household with DoxxScan family protection, which extends to dependents and children’s gaming accounts that often chain back to the same family address or email.
  • Let remediation specialists handle takedown requests across data brokers and leak sites while you focus on securing accounts and alerting affected family members.

The incident underscores a simple reality: data stolen from one seemingly routine booking can fuel long-term targeting of you and your family. Starting with a clear picture of your exposure and maintaining ongoing vigilance remains the most practical defense. DoxxScan by GalaxyWarden delivers 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. Its specialists can help close the gaps this claimed breach and future ones create.

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.

Check your exposure
Grand Hotel is one listing. Your email is probably in others.
We can’t confirm any single incident against the sources we search, so we won’t pretend to. What we can show you is your own exposure — your email against 13.1B+ leaked records and the sites that publish your address. About 15 seconds. No account, no card.

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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed February 27, 2026
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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