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high severity July 19, 2023 · 3 min read Unverified claim — what this is

ALLEGIANTAIR.COM Listed by clop Ransomware Group

If you are a customer of Allegiantair.Com, here’s what is being claimed, and what it would mean for you.

Allegiantair.Com was listed on Clop's leak site. Clop claims to have stolen internal data. This is the group's claim, not a confirmed finding.

ALLEGIANTAIR.COM Listed by clop Ransomware Group

On July 19, 2023, Allegiant Air appeared on the leak site operated by the Clop ransomware group, with the listing claiming that internal files had been exfiltrated during a ransomware attack on allegiantair.com. The disclosure indicates that data belonging to the airline’s operations was taken, though the exact number of people affected and the full scope of records remain unknown. Anyone who has flown with Allegiant, worked there, or had personal information processed by the company may now face heightened risk of identity theft and targeted fraud.

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Details from the Leak Site

The Clop leak site lists Allegiant Air as a victim and states that internal files were exfiltrated following a ransomware deployment. The posting does not quantify how many records were taken or name specific data types such as passenger manifests, employee payroll files, or vendor contracts. It follows the group’s standard practice of first demanding ransom and later threatening to publish stolen data if payment is not made. The notification on the onion site, mirrored on ransomware.live, carries the typical Clop branding and includes a countdown timer common to their extortion pages.

Why This Matters for You and Your Family

When an airline’s internal systems are breached, the information exposed often includes names, addresses, dates of birth, phone numbers, email addresses, and payment details tied to bookings. Even without an exact victim count, the disclosure makes clear that customer and employee data is at stake. For ordinary travelers and their families this translates into concrete risks: fraudulent charges on stored credit cards, tax-related identity theft using pilfered personal identifiers, or phishing emails that appear to come from Allegiant because the attackers now hold real correspondence. Children’s information linked to family bookings can also surface in these datasets, creating long-term exposure that follows them into adulthood.

Doxxing and Identity-Chain Risks

Stolen internal files rarely exist in isolation. A single leaked email address or phone number can be chained with data from previous breaches to build a complete profile—linking your travel history, home address, family members, and online accounts. Attackers routinely sell or publish these identity chains on dark-web forums, enabling doxxing campaigns, SIM-swapping attempts, and account takeovers across retail, banking, and social platforms. Credential leaks of this nature frequently cascade into gaming accounts belonging to you or your children, where usernames and reused passwords grant entry to communities that further expose personal details.

Clop’s Publicly Known Track Record

Public reporting attributes the emergence of Clop, also known as Cl0p, to roughly 2019, when the group began deploying their namesake ransomware against enterprises. They have since hit numerous high-profile organizations, including large healthcare providers, financial software firms, and major airlines. Their typical playbook involves initial access through compromised remote desktop protocol accounts or exploited vulnerabilities in file-transfer software such as MOVEit. Once inside, they exfiltrate sensitive files before encrypting systems, then pivot to double-extortion: demanding payment to prevent both decryption failure and public release of the stolen data. The Allegiant Air listing fits this pattern exactly.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by the service.
  • Rotate any password you used on allegiantair.com or related airline portals anywhere it has been reused, and immediately enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours instead of months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts often chained to the same address or parent email.
  • Let remediation specialists manage takedown requests for any exposed personal documents or broker listings that appear after this incident.

The Allegiant Air breach underscores how quickly corporate ransomware incidents become personal identity problems. One stolen file can trigger months of fraud alerts and account resets if you do not act early. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists—including coverage for your entire household and children’s gaming accounts that frequently become targets after credential leaks like this one. Start protecting yourself and your family before the next wave of phishing or identity sales begins.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

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Report details & sourcing

Severity High
Disclosed July 19, 2023
Last reviewed August 8, 2026
Affected Unconfirmed
Unverified claim — what this report is
This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
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