Hyatt Hotels Data Breach History
WebsiteHyatt Hotels company profile.
This page shows all data breaches of Hyatt Hotels. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.
Data Breach Timeline — All Hyatt Hotels Breaches
- 2017 2017 — Hyatt Hotels Suffers 2nd Card Breach in 2 Years Unknown records Share
- 2015 2015 — Hyatt Hotels: Hacking Unknown records Share
- 2015 2015 — Hyatt Hotels: Hacking, 250 records 250 records Share
Hyatt Hotels Data Breach Summary
This page tracks the Hyatt Hotels data breach history and cybersecurity incidents affecting Hyatt Hotels. BreachHistory currently indexes 3 publicly disclosed or catalogued incidents spanning 2015 through 2017, with approximately 250 records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.
The Hyatt Hotels breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed.
Largest Hyatt Hotels Data Breaches
The largest indexed incidents include the 2015 — Hyatt Hotels: Hacking, 250 records. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Hyatt Hotels or a regulator. Below is the list of large data breaches:
- 2015 2015 — Hyatt Hotels: Hacking, 250 records — about 250 records exposed · Catalogued incident
What Information Was Exposed?
Depending on the incident, exposed data may include health and medical (PHI) records, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.
Hyatt Hotels Data Breach 2026
At the time of this update, no Hyatt Hotels data breach has been catalogued for 2026. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.
What To Do If You Were Affected
If you believe your account may have been involved in a Hyatt Hotels data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.
This Hyatt Hotels breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.