Ransomware Attack Disrupts Hotel Ózon Systems and May Affect Guest Data

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Summary

Hotel Ózon said attackers encrypted its systems and backups, demanded €25,000, and potentially accessed booking data for guests recorded between November 2022 and July 2026. The hotel did not pay.

Key points

  • The hotel said it detected unauthorized access on August 1 at 00:10; attackers encrypted files on its servers and backups.
  • The incident disrupted front-office operations, accounting, email, and access to databases for 36 hours.
  • Booking records from November 1, 2022, through July 31, 2026, may have been affected, including contact, identity-document, vehicle, and stay details.
  • The hotel said it had to notify about 40,000 guests while unable to access its databases.
  • Attackers demanded €25,000 for a decryption key; the hotel’s director said the ransom was not paid.
  • The director said consulted specialists estimated that only about one in three or four paying victims actually recover their data.

Article Details

Victim Organization
Hotel Ózon
Incident Type
Ransomware attack; attackers encrypted hotel data and backups.
Data Types Exposed
  • Names
  • Email addresses
  • Phone numbers
  • Residential addresses
  • Places and dates of birth
  • Identity-card numbers
  • Vehicle registration numbers
  • Stay dates
  • Nationality
Affected Records
Approximately 40,000 guests were to be notified; the article does not confirm how many records were accessed or exposed.
Operational Impact
The hotel reported a 36-hour crisis. Its databases were inaccessible, and the front-office system, accounting, and email were disrupted.
Ransom Or Extortion
Attackers reportedly demanded €25,000 for the decryption key. The hotel said it did not pay.
Claim Status
confirmed

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