Hyatt
Data Breach on January 15, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | hyatt.com | ||
| Threat Actor | NightSpire | ||
| Date Discovered | Jan 15, 2026 | ||
| Description | Hyatt is a global hospitality company based in the USA (Illinois) that operates, franchises and licenses a broad portfolio of branded hotels, resorts, residence properties and vacation-ownership experiences worldwide. | ||
| Leak Size | 48.5GB |
Credential Exposure for hyatt.com
We've indexed 15,881 @hyatt.com accounts from external breaches, plus 16,377 credentials for hyatt.com itself.
Last checked Aug 23, 2026
| @hyatt.com addresses from external breaches | |
|---|---|
| Third-party breaches | 15,065 accounts · across 984 breaches · 13,847 with a plaintext password · most recent Apr 19, 2026 |
| Combo lists | 4,346 accounts · most recent Aug 22, 2026 |
| Phishing pages | 26 accounts · most recent Aug 13, 2026 |
| Passwords for hyatt.com accounts | |
|---|---|
| Combo lists | 12,820 logins · most recent Aug 23, 2026 |
| Infostealer logs | 5,238 logins · 3,783 infected devices · most recent Aug 8, 2026 |
Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.
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