Frontier Group Holdings, Inc.
ent_019de5fe30bdab645df1f5ce43e80e2e
Disclosures
2
State AG · Leak Site · 2 jurisdictions
Incidents
—
no linked incident in sample
Max affected reported
2
as filed · State AG MT
Leak-site claims
1
unverified actor claims
Identity resolution
- Canonical name
- Frontier Group Holdings, Inc.
- Normalized
- frontier group— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- 549300DT3Y2BHO6G7T02
- SEC EDGAR CIK
- 0001670076
- Domain
- flyfrontier.com
Disclosure history (2)newest first
- 🦬Montana State AGas victim2024-11-25
Frontier Ag, Inc. reported a data breach to the Montana Attorney General. The breach was reported on 2024-11-25. The breach occurred from 08/12/2024 to 08/13/2024. 2 Montana residents were affected.
- GLOBALLeak Siteas victim2024-06-01
Visits: 9 Data Size: 5GB Published: False
Subsidiary disclosures (6)filed by group companies
◈ These filings were made by or about subsidiaries of Frontier Group Holdings, Inc. — not by Frontier Group Holdings, Inc. itself. Corporate relationships are mapped from GLEIF relationship records and SEC Exhibit 21 filings.
- GLOBALLeak Sitevia FRONTIER AIRLINES, INC.2026-07-26
Revenue: $1.5B DATA SUMMARY: 2.4M~ records containing: significant PII, customer support cases, flight and travel information, complaint records, baggage details, and customer support email communications.
- ⭐Texas State AGvia FRONTIER AIRLINES, INC.2026-07-14
Frontier Airlines based in Denver, Colorado, a business – retail or merchant entity reported a data breach to the Texas Attorney General. The breach was discovered on 2026-06-18 and reported on 2026-07-14. 679 Texas residents were affected. 11,482 individuals affected in total. Types of information involved: Name of individual;Address;Social Security Number Information;Driver’s License number;Government-issued ID number (e.g. passport, state ID card);Other;Date of Birth. Consumers were notified via U.S. Mail.
- 🍁Vermont State AGvia FRONTIER AIRLINES, INC.2026-07-09
Frontier Airlines reported a data breach to the Vermont Attorney General. The breach was reported to the AGO on 2026-07-09. The reporting organization type is Other Commercial. 6 Vermont residents were affected. Categories of data breached: Social Security Numbers.
- 🏛️Massachusetts State AGvia FRONTIER AIRLINES, INC.2026-07-01
Frontier Airlines issued a Massachusetts data breach notice (Ref 2026-1139) dated July 9, 2026. The incident involved unauthorized access to employee records containing PII, including SSNs, driver's license numbers, and passport/visa data. Frontier strengthened access controls, improved system monitoring, and provided 24 months of complimentary credit monitoring via Experian IdentityWorks to affected staff.
- 🏎️Indiana State AGvia FRONTIER AIRLINES, INC.2024-11-25
Frontier Ag Inc reported a data breach to the Indiana Attorney General. The breach occurred on 2024-08-12 and was reported on 2024-11-25. 3 Indiana residents were affected. 2,957 individuals affected in total.
- 🦬Montana State AGvia FRONTIER AIRLINES, INC.2017-05-31
Frontier Airlines reported a data breach to the Montana Attorney General. The breach was reported on 2017-05-31. The breach occurred from 1/1/2017 to 5/3/2017. 9 Montana residents were affected.