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Recent Breaches › Sleepy Hollow Country Club Listed by akira Ransomware Group

HIGH severity claimedUnverified claimHow we verify

Sleepy Hollow Country Club Listed by akira Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

RBRecent Breaches Breach Intelligence·May 20, 2025
Sleepy Hollow Country Club Listed by akira Ransomware Group

Reported May 20, 2025.

HIGH
Severity
May 20, 2025
Disclosed
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Sleepy Hollow Country Club was listed on May 20, 2025, by the Akira ransomware group, which claims to have exfiltrated internal files. Individuals connected to the club should review their records and change any affected credentials.

Severity & verification
HIGH severity claimedUnverified claim
Exposes government-ID data.
Published on a ransomware group’s leak site — an unverified extortion claim until the named organization or credible reporting corroborates it.
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Members, employees and others connected to Sleepy Hollow Country Club may face practical risks if personal or financial details from the club’s systems have been taken. When ransomware groups claim to hold such material, the immediate concern is how that information could be misused for identity fraud, targeted scams or further intrusion into personal accounts.

Public reporting on 20 May 2025 states that the private country club in Scarborough, New York, has been listed by the Akira ransomware group, which claims to have exfiltrated internal files. The number of people affected remains unknown, and independent confirmation of the full scope is not yet available.

Breaking down the breach

According to the available record, Sleepy Hollow Country Club was listed by the Akira ransomware group on or around 20 May 2025. The group asserts that it carried out a ransomware attack involving the exfiltration of internal files. Public detail on the precise method of intrusion, the exact date the systems were first accessed, or any ransom demand is limited. The listing itself is a claim made on the group’s leak site; it has not been independently verified in the material provided. The volume of data the group says it holds is described as about 14 GB of corporate material. No confirmed figure for the number of individuals whose records may be involved has been released.

Who is akira?

Akira is a ransomware operation that has been active in public reporting since 2023. Like many contemporary groups, it typically employs a double-extortion model: encrypting systems while also copying data and threatening to publish it if payment is not made. The group maintains a leak site on which it names victims and, in some cases, releases samples or full archives. Its targets have historically included a range of mid-sized organisations across manufacturing, professional services and other sectors. Public analyses describe Akira as using common initial-access techniques such as compromised credentials or vulnerable remote-access services, followed by lateral movement and data staging. Claims posted on its site should be treated as assertions by the actors rather than established fact until corroborated by the victim organisation or independent investigators.

Sleepy Hollow Country Club and its sector

Sleepy Hollow Country Club is a private country club located in Scarborough, New York. Organisations of this type typically manage membership records, employee personnel files, financial accounts, vendor contracts and limited guest or client information. Because they handle both operational and personal data, a breach can affect staff, members and business partners. In the hospitality and private-club sector, the combination of financial records and identity documents creates a concentrated set of sensitive material that can be valuable to criminals if it leaves the organisation’s control. The listing by a ransomware group therefore raises questions about the security of those internal systems, even while the precise circumstances remain unconfirmed.

What was likely exposed

The facts state that internal files were exfiltrated in a ransomware attack. The Akira group claims the material includes the following:

These descriptions come solely from the group’s own statement. The exact contents of the claimed 14 GB archive have not been independently verified, and the total number of people whose data may appear remains unknown. Organisations of this kind commonly hold precisely the categories listed, yet until the club or forensic examiners confirm the files, the exposure should be regarded as alleged rather than proven.

The real-world impact

If the claimed data are authentic, employees face the clearest immediate risk. Social-security numbers, passport images and dates of birth can be used to open fraudulent accounts or file false tax returns. Addresses, phone numbers and emails enable targeted phishing or social-engineering attempts that appear legitimate because they reference real club relationships. Members and clients whose limited data may also be present could receive similar approaches. For the club itself, the consequences include potential regulatory notification duties, contractual liabilities to staff and partners, and the operational cost of investigation and remediation. Because the scale of affected individuals is undisclosed, the full extent of these risks cannot yet be quantified. Even partial publication of the files would create lasting exposure, as once personal identifiers circulate they remain usable by criminals for years.

What to do if you're exposed

Anyone who has worked for, belonged to or done business with Sleepy Hollow Country Club should treat the possibility of exposure seriously. Begin by placing a fraud alert with the major credit bureaus and monitoring bank and credit-card statements for unfamiliar activity. Change passwords on any accounts that reused credentials linked to club email addresses, and enable multi-factor authentication wherever it is offered. Review recent tax filings and government correspondence for signs of identity misuse. Keep records of any suspicious contacts that reference club membership or employment. Readers can also run a free exposure scan of their email address to check whether that address has already appeared in known breach data sets; such a check provides an additional early-warning signal while official notifications, if any, are still pending.

AICompiled with AI assistance from public sources and published under our editorial standards.

Editorial & sourcing policy
Recent Breaches is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data, and we do not hold the data claimed in leak-site listings. Incidents are compiled from publicly accessible sources and threat-intelligence platforms and are reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — write to support@galaxywarden.com or press@recentbreaches.com.
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How this breach connects

Company

Attributed to

Method

CompanySleepy Hollow Country Club security record
87/100
DoxxScan™ · Low doxx risk
B 80Good record

1 reported incident on record.

See Sleepy Hollow Country Club’s full breach history →

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Source: threat-actor leak-site listing

Publicly posted by akira — unverified claim, pending independent verification

Breach listings — particularly those originating from ransomware or leak sites — are third-party claims that may be unverified, incomplete, or inaccurate. A listing does not by itself confirm that a breach occurred or that any specific data was exposed. Severity is an automated assessment, not a definitive rating. Verification status is shown where available.

Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.

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