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high severity October 01, 2023 · 3 min read Unverified claim — what this is

thermae.nl Listed by lockbit3 Ransomware Group

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

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

thermae.nl Listed by lockbit3 Ransomware Group

On October 1, 2023, the Dutch wellness hotel booking service thermae.nl appeared on the LockBit 3.0 ransomware leak site, with the group claiming to have exfiltrated internal files during a ransomware attack.

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Details in the Leak-Site Listing

The LockBit 3.0 leak page states that thermae.nl suffered a ransomware intrusion and that attackers successfully removed internal files. The listing does not quantify the number of affected records, nor does it specify exactly which types of documents were taken. It simply describes the victim as a provider of wellness hotel arrangements and gives a publication date of October 1, 2023. The disclosure indicates that data was both encrypted and exfiltrated, following the group’s standard double-extortion approach. No ransom amount or payment deadline is shown in the public listing.

Why This Matters for You and Your Family

When a company that handles hotel bookings and wellness packages is breached, the information exposed often includes names, addresses, phone numbers, email addresses, dates of birth, and payment details of customers. Even though the exact data volume remains unknown, any leak from a hospitality provider creates immediate risks for ordinary people who booked a weekend stay, a spa day, or a family retreat. Your personal details can be sold quietly on underground forums long after the initial headline fades, leading to spam, phishing campaigns, or more targeted fraud. For families, a single breach can expose both parents and children if joint bookings or family-member add-ons were used.

The Doxxing and Identity-Chain Risks

Internal files from a booking platform frequently contain enough fragments to link an email address or phone number to real-world identities, home addresses, and travel patterns. Attackers and subsequent buyers can chain these fragments with data from other breaches to build detailed profiles. A leaked booking reference might connect your social-media handle, child’s name, or even gaming username if family accounts share contact information. Once these links exist, doxxing becomes straightforward: an attacker can publish your home address alongside photos from a wellness trip or target your children through linked online accounts. Credential leaks like this one cascade into account takeovers across unrelated services where the same password or email was reused.

LockBit 3.0’s Known Track Record

Public reporting attributes the LockBit 3.0 variant to a ransomware operation that first appeared in 2020 and rebranded to version 3.0 in early 2022. The group has targeted organizations across dozens of countries, including healthcare providers, manufacturers, and smaller service businesses. Their typical playbook involves initial access through compromised remote desktop credentials or phishing, followed by rapid lateral movement, data exfiltration, and deployment of ransomware. After encryption they wait a short period before publishing samples on their leak site to pressure victims into payment. LockBit 3.0 is known for aggressive extortion tactics, including threats to contact customers and partners directly if ransom is not paid.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by the service.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure is caught in hours rather than months.
  • Rotate any password you used on thermae.nl anywhere else it is reused, and switch to 2FA through an authenticator app instead of SMS.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts that can chain back to the same breached details.
  • Let remediation specialists manage takedown requests for any exposed personal records appearing on data-broker or extortion sites.

The thermae.nl incident is a reminder that even seemingly routine bookings can feed long-term identity risks once data leaves a company’s control. Start your DoxxScan trial today and combine continuous monitoring, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage—including your or your children’s gaming accounts—to stay ahead of the next leak. DoxxScan by GalaxyWarden is built precisely for these cascading threats that ordinary families now face.

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 the filing does not enumerate what was exposed
Disclosed October 01, 2023
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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