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Frontier Airlines

exfilsquad

Ransomware leak-site victim intelligence

Data size
43 GB UNCOMPRESSED
Files
1
Posted
Jul 26, 2026
Country
US
Industry
Transportation

Summary

Written by ThreatClusterfrom file listing, victim profile, leak post, our reporting

ExfilSquad claims to have stolen about 43 GB uncompressed from Frontier Airlines (US), comprising roughly 2.4 million records. The data purportedly includes significant PII, customer support cases, flight and travel information, complaint records, baggage details, and customer support email communications. A sample filename frontier_airlines_exfilsquad.7z is shown as the archive, and the leak post is published.

Describes what the group claims on its leak site. A listing is not confirmation that a breach occurred.

What was taken

DATA SUMMARY:\n2.4M~ records containing: significant PII, customer support cases, flight and travel information, complaint records, baggage details, and customer support email communications.

File types seen
7z × 1
Sample files (1)
frontier_airlines_exfilsquad.7z

Also stated on the leak page

Fields this group publishes that do not map to a standard column. Labels are the site's own.

archive_filename
frontier_airlines_exfilsquad.7z