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high severity July 12, 2024 · 4 min read Unverified claim — what this is

American Golf Listed by medusa Ransomware Group

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

American Golf is one of the operators in the golf industry today. Owner, lessee, and manager of golf courses and country clubs for over 50 years. American Golf corporate office is located in 909 N Pacific Coast Hwy, El Segundo, California, 90245, United States and has 379 employees. The total amount of data leakage is 154.9 GB

— from Medusa’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.
American Golf Listed by medusa Ransomware Group

On July 12, 2024, American Golf appeared on the leak site operated by the Medusa ransomware group. The company, which owns, leases, and manages golf courses and country clubs across the United States, had 154.9 GB of internal files exfiltrated during a ransomware attack. The Medusa listing does not specify the exact number of people affected or list the precise data types contained in the files.

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Details from the Medusa Listing

The primary disclosure on the Medusa leak site states that American Golf suffered a ransomware incident resulting in the theft of internal company files. The listing includes a sample of the allegedly stolen data and notes the 154.9 GB volume. No customer records, employee counts, or specific categories such as names, addresses, payment details, or health information are detailed in the public posting. The corporate headquarters address in El Segundo, California, and the company’s 50-plus years of operation are confirmed through its own public information, but the breach notification itself does not quantify how many individuals may have their information inside the stolen files.

The disclosure indicates the data was exfiltrated prior to the listing and that American Golf has not met the group’s demands. As is typical with these postings, the exact deadline for any extortion payment is no longer relevant once the data is published.

Why This Matters for You and Your Family

When a company like American Golf that manages recreational facilities has internal files stolen, the exposure often reaches beyond corporate spreadsheets. Golf clubs routinely collect names, home addresses, phone numbers, email addresses, and payment information from members and their families. If your family has ever joined a club, attended an event, or maintained a membership, your details could be among the 154.9 GB now in attackers’ hands. Even without exact record counts, the real-world risk is concrete: stolen contact and financial data can be sold, combined with other breaches, and used for identity theft, phishing, or targeted scams against you or your relatives.

Doxxing and Identity-Chain Risks

Internal files from organizations frequently contain spreadsheets that link names to addresses, membership numbers, emergency contacts, and sometimes children’s names or dates of birth. Once published on a ransomware site, this information accelerates doxxing chains. Attackers or opportunistic criminals can cross-reference the data with usernames, gaming handles, or social-media profiles to build a full picture of your household. Credential leaks that surface in the same datasets often allow account takeovers on email, banking, or gaming platforms. The result is a cascading exposure where one breach exposes not only your identity but also the linked accounts of spouses and children.

Medusa Ransomware Group Track Record

Public reporting attributes Medusa’s emergence to late 2022. The group has since targeted organizations across North America, Europe, and Asia, with notable prior victims including manufacturing firms, healthcare providers, and retail operators. Their typical playbook begins with initial access through compromised credentials or vulnerable remote desktop services, followed by lateral movement inside the network, data exfiltration, and deployment of ransomware. After encryption, Medusa posts samples on their leak site and demands payment to prevent full publication. The group’s extortion style combines technical encryption with public shaming, often giving victims a short window before releasing larger data samples.

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.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure is caught in hours rather than months.
  • Rotate any password you used for American Golf membership portals, club apps, or related services anywhere it has been reused, and switch to 2FA through an authenticator app instead of SMS.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts, which frequently chain back to the same address or parent email.
  • Let remediation specialists manage takedown requests for any exposed personal documents or broker listings that surface from this or linked incidents.

The incident underscores that even organizations outside heavily regulated sectors can become gateways to personal exposure for ordinary families. One timely scan and ongoing vigilance can break the chain before criminals turn stolen golf-club files into long-term identity threats. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts.

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 the filing does not enumerate what was exposed
Disclosed July 12, 2024
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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