Frontier Airlines
β Listed in the last 48hAbout the organisation
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.
What the listing means
Frontier Airlines appeared on the ExfilSquad leak site on 26 July 2026. Groups publish a victim once negotiations stall or as pressure during them, so a listing usually means data was already exfiltrated. This group has published 14 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing Frontier Airlines as suspicious β leaked data gets weaponised for phishing within days.
- If you hold an account on flyfrontier.com, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Transportation organisations should review this group's known TTPs and validate detection coverage against them.
- Watch for follow-on extortion: stolen data is often re-leaked or resold after the initial listing.
- A leak-site listing is a claim made by the attacker, not a confirmed breach β check the organisation's own disclosures before acting on it.
Leak-site evidence
Listing URL https://www.ransomware.live/id/RnJvbnRpZXIgQWlybGluZXNARXhmaWxTcXVhZA==