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Recent Breaches › 100+ European Hotels Hit by Reservation Data Breach

MEDIUM severity

100+ European Hotels Hit by Reservation Data Breach: What Was Exposed & What To Do

Reported June 4, 2026. Approximately thousands people affected.

The 100+ European Hotels Hit by Reservation Data Breach (reported June 4, 2026) exposed names, contact-info and reservation-details belonging to roughly thousands people. If you have an account with them, your information may now be circulating on the open web and with data brokers. Here’s exactly what happened, how to check if you were affected, and what to do next.

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What was exposed

How to check if you were affected

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What to do if you were in the 100+ European Hotels Hit by Reservation Data Breach

How this breach connects

Method

Frequently asked questions

Was my data in the 100+ European Hotels Hit by Reservation Data Breach breach?

The fastest way to know is a free exposure scan — it checks your email address against known breach data, including recent incidents like this one.

What information was exposed in the 100+ European Hotels Hit by Reservation Data Breach?

The reported exposed data includes: names, contact-info, reservation-details.

What should I do after the 100+ European Hotels Hit by Reservation Data Breach breach?

Change your password for that account and anywhere you reused it, turn on two-factor authentication, and remove your personal information from data-broker sites so it can’t be combined with the leaked data.

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Read GalaxyWarden’s full analysis of the 100+ European Hotels Hit by Reservation Data Breach →

Source: Cybernews

Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.