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high severity July 31, 2024 · 3 min read Unverified claim — what this is

Kleven Construction Listed by hunters Ransomware Group

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

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

Kleven Construction Listed by hunters Ransomware Group

On July 31, 2024, Kleven Construction, a U.S. company, was listed on the leak site operated by the hunters ransomware group. The listing states that internal files were exfiltrated during a ransomware attack in which both data encryption and data theft occurred. The exact number of people whose information appears in the stolen files remains unknown, as neither the leak-site posting nor any accompanying company notification has disclosed that detail.

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Details from the Leak-Site Listing

The hunters ransomware leak site explicitly lists Kleven Construction as a victim, confirming that data was allegedly exfiltrated and that the victim’s systems were also encrypted. The entry does not specify the volume or precise categories of data taken, nor does it publish samples. Public views of the onion-site entry, preserved through ransomware.live, show the initial publication date as July 31, 2024. No formal breach notification from Kleven Construction has surfaced publicly at the time of this writing, so the full scope of exposed records stays unquantified.

Why This Matters for You and Your Family

When a construction firm’s internal files are stolen, the information often includes employee names, addresses, Social Security numbers, payroll records, tax forms, and vendor contracts. If your employer, your spouse’s employer, or a company you have done business with uses Kleven Construction, your personal details could be sitting in those files. Even without an exact count, the disclosure indicates that real people’s sensitive employment and financial data changed hands. That exposure does not disappear when the news cycle moves on; it remains available to identity thieves, fraudsters, and extortionists for years.

The Doxxing and Identity-Chain Risk

Stolen internal files frequently contain more than isolated records. They can link employee emails, personal phone numbers, dates of birth, and project details that attackers combine with other breaches to build complete identity profiles. A single leaked work email can lead to your LinkedIn account, your children’s school forms, or shared family cloud storage. These chains accelerate doxxing: once one handle is connected to your real name and address, subsequent leaks become far more damaging. Credential leaks like this one cascade into account takeovers, especially for gaming accounts belonging to you or your children that reuse the same passwords or security questions derived from employment paperwork.

Hunters Ransomware Group Track Record

Public reporting attributes the hunters group with emerging in late 2023 and focusing on double-extortion tactics: encrypting victim systems while simultaneously exfiltrating data for later public shaming and ransom demands. The group has listed dozens of organizations across North America and Europe, typically small-to-medium businesses in construction, manufacturing, and professional services. Their playbook usually begins with phishing or exploited remote-access tools, followed by rapid data exfiltration before encryption. They maintain a leak site that pressures victims by counting down to full data publication if ransom is not paid. While exact success rates are unknown, the group’s consistent posting of new victims shows the threat remains active.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, then use the cleanup of Warden to remove what you can.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure that touches you or your family is caught in hours rather than months.
  • Rotate any password you used at Kleven Construction or any related vendor account, replace it with a unique passphrase, and secure the account with 2FA through an authenticator app instead of SMS.
  • Cover the household with DoxxScan family coverage that extends to dependents and children’s gaming accounts, which often chain back to the same addresses and parent emails found in employment files.
  • Let remediation specialists handle takedown requests across data brokers and exposed profiles that surface from this incident.

The Kleven Construction listing is a reminder that ransomware groups continue to target ordinary businesses that hold ordinary people’s most sensitive employment data. One breach can quietly feed dozens of future attacks against you and your family. Start your DoxxScan trial today and put continuous monitoring, identity-chain mapping, and hands-on remediation specialists between your household and the next leak. DoxxScan by GalaxyWarden is built precisely for this reality, giving families ongoing protection across both corporate breaches and the gaming accounts that so often become the next link in the doxxing chain.

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 31, 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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