Allegiant

Allegiant

Data Breach on July 19, 2023
Data Breach Report
Victimallegiantair.com
Threat ActorCL0P
Date DiscoveredJul 19, 2023
DescriptionAllegiant makes leisure travel affordable and convenient.
Leak SizeUnknown

Credential Exposure for allegiantair.com

We've indexed 619 @allegiantair.com accounts from external breaches, plus 2,802 credentials for allegiantair.com itself.

Last checked Aug 16, 2026

@allegiantair.com addresses from external breaches
Third-party breaches552 accounts · across 89 breaches · 510 with a plaintext password · most recent Jan 31, 2026
Combo lists193 accounts · most recent Aug 15, 2026
Passwords for allegiantair.com accounts
Combo lists1,874 logins · most recent Aug 15, 2026
Infostealer logs1,043 logins · 769 infected devices · most recent Aug 8, 2026

Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.

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