People search Hyatt data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 3 Hyatt-linked incidents, with headline counts up to 250 in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Hyatt breach history matters
Hyatt operates in Other (United States). Across indexed rows, recurring themes include mixed intrusion and disclosure events. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2017 — — Hyatt: Multinational hotel corporation Hyatt recently…
Cataloged incident. Multinational hotel corporation Hyatt recently alerted its customer of a credit card breach at some of its hotels – the second major incident of its kind in two years.The corporation said that its cyber security team discovered evidence of unauthorized access to payment card information from cards manually entered or swiped at the front desk of 41 of its hotels in locations such as Hawaii (three locations breached), Guam (1), Puerto Rico (1), and China (18, the highest number of breaches reporte Exposed categories include Personal information. No attested victim count is published for this row yet. See the hyatt2017 and canonical BreachHistory entry.
2016 — — Hyatt: The Hyatt hotel chain has notified individuals of a…
Cataloged incident. The Hyatt hotel chain has notified individuals of a data breach when they discovered 250 of their 627 hotels were infected with malware that stole information, in particular, credit/debit card information.The malware infected restaurants, spas, parking, golf shops, front desk reception. The infection may have started as early as July 30, 2015 to December 8, 2015 and affecting hotels in US, UK, China, Germany, Japan, Italy, France, Russia and Canada. Hyatt is offering one year of credit monitorin Exposed categories include Personal information. No attested victim count is published for this row yet. See the hyatt2016 and canonical BreachHistory entry.
2015 — — 250k records
Cataloged incident. Hacked. 250k records. Exposed categories include Names, emails, addresses, and other PII. BreachHistory cites approximately 3K+ affected records in this row. See the hyatt2015 and canonical BreachHistory entry.
Patterns and analysis
- Mixed intrusion and disclosure events — appears across multiple Hyatt catalog entries; prioritize controls that address this class of failure.
- Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
- 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.
What to do if you may be affected
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Bookmark the Hyatt company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/hyatt · Latest: hyatt2017.
Sources: BreachHistory catalog (3 rows for Hyatt), company and regulator disclosures cited in individual breach records.