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Otelier breach exposes Marriott, Hilton and Hyatt guests
Hackers stole millions of guest records and reservations for Marriott, Hilton and Hyatt from hotel platform Otelier's S3 storage.
- Organisation
- Otelier
- Disclosed
- 17 January 2025
- Affected
- Not stated
- Data
- Guest names, contact details, reservations
- Attacker
- Unknown
- Severity
- major
- Region
- Global
- Source
- CM-Alliance ↗
Cite this
Nuffield Consulting, “Otelier breach exposes Marriott, Hilton and Hyatt guests”, The Daily Tech Wire outage & breach log, 17 Jan 2025. https://techwire.nuffieldconsulting.com/incidents/2025-01-17-otelier-breach/ (retrieved 15 Nov 2026).
This entry summarises public reporting. Please also cite the original source: CM-Alliance, https://www.cm-alliance.com/cybersecurity-blog/january-2025-recent-cyber-attacks-data-breaches-ransomware-attacks.
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