Frontier Airlines Confirms 2026 Data Incident in Indiana Filing

Frontier Airlines reported a data security incident to Indiana regulators on July 9, 2026. This breach exposed customer personal and financial details, including names, dates of birth, passport numbers, and payment card information. Individuals who received a notification should review their accounts and consider protective measures.

State: Indiana
Breach date: May 12, 2026
Reported: July 9, 2026

What may have been exposed

Full Name
Date of Birth
Mailing Address
Email Address
Phone Number
Passport Number
Known Traveler Number
Payment Card Information
Frequent Flyer Account Details

Frontier Airlines, a commercial air carrier, officially reported a data security incident to Indiana authorities. This filing, submitted on July 9, 2026, confirms a breach within the company's systems.

The breach occurred on May 12, 2026. While the specific nature of the incident was not detailed in the public filing, it led to unauthorized access to certain customer records.

The information reported as compromised includes Full Name, Date of Birth, Mailing Address, Email Address, Phone Number, Passport Number, Known Traveler Number, Payment Card Information, and Frequent Flyer Account Details. These categories of personal and financial data were exposed during the security event.

Exposure of such personal details carries risks. Individuals may face increased susceptibility to identity theft, financial fraud, or targeted phishing attempts. Monitoring affected accounts for unusual activity is an important step.

Individuals who received a notification about this incident are advised to remain vigilant. Regularly review bank and credit card statements for unauthorized transactions. Be cautious of unsolicited communications that request personal information, even if they appear to be from Frontier Airlines. Consider placing a fraud alert or credit freeze with credit bureaus as a general protective measure.

What to do if you were affected

Based on the categories of information reported in this filing, these steps can help limit the risk of identity theft and fraud.

Watch your financial accounts
Review bank and card statements for unfamiliar activity and turn on transaction alerts. Report anything you don't recognize to your bank right away.
Replace exposed ID documents
Contact your state DMV or the issuing agency about replacing an exposed driver's license, passport, or government ID number.
Secure your online accounts
Change the password on any account that reused an exposed password and turn on two-factor authentication wherever it's offered.
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Source: Indiana Attorney General filing

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