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high severity April 21, 2025 · 3 min read Unverified claim — what this is

Clark Mechanical Listed by dragonforce Ransomware Group

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

The Clark Mechanical Company, LLC. is a privately owned, full service HVAC contracting firm. We provide a wide range of HVAC and plumbing services to commercial clients. The "Work hard and take pride in your work" attitude has been passed down thru the generations. The Clark family has been in the construction industry since 1916.

— from DragonForce’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.
Clark Mechanical Listed by dragonforce Ransomware Group

On April 21, 2025, the DragonForce ransomware group added Clark Mechanical Company, LLC to its leak site, claiming that internal files had been exfiltrated from the family-owned HVAC and plumbing contractor.

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What's Publicly Reported from Reporting

Public reporting indicates the company, which has operated since 1916 and specializes in commercial HVAC and plumbing services, was listed on the DragonForce leak portal. The posting states that data was stolen during a ransomware incident, though the exact volume and full list of exposed records remain undisclosed. Available reporting describes the exposed material as internal files. No customer count or specific data types such as names, addresses, or financial details have been publicly detailed by the group.

Why This Matters for You and Your Family

When a local business like Clark Mechanical suffers a breach, the information stolen can easily include details about your home, your family’s schedule, or payment records if you or your relatives have ever used their services. Internal files often contain contracts, invoices, contact lists, and employee records that attackers can combine with other leaks. For ordinary families this means heightened risk of identity theft, phishing campaigns tailored to your address or phone number, and potential harassment. Even if you are not a direct customer, shared vendors or employees can create indirect exposure that reaches your household.

The Doxxing and Identity-Chain Implications

Ransomware leaks rarely stop at one company. Stolen internal files frequently contain email addresses, phone numbers, and employee names that link to personal accounts across the web. Once attackers map these connections, they can pivot to gaming platforms, social media, or family cloud storage. Credential leaks like this one cascade into account takeovers and doxxing chains, especially when children’s usernames or shared family passwords are involved. A single exposed business record can become the starting point for a complete identity profile that follows your family for years.

DragonForce’s Publicly Known Track Record

Public reporting attributes DragonForce with emerging in late 2023 as a ransomware operation that combines double-extortion tactics with data leak sites. The group has listed dozens of organizations ranging from manufacturing firms to service companies. Their typical playbook involves initial access through phishing or exploited remote desktop protocols, followed by exfiltration of sensitive files before encryption. They then demand payment and, if unpaid, publish samples or full datasets on their onion site. Exact prior victim counts fluctuate in open sources, but the pattern of listing smaller private companies alongside larger targets is consistent.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by specialists.
  • 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 have ever used at Clark Mechanical or similar service providers, then enable 2FA through an authenticator app everywhere that password was reused.
  • Cover the household with DoxxScan family coverage that extends to dependents and children’s gaming accounts that often chain back to the same address or email.
  • Let remediation specialists handle takedown requests across data brokers and exposed profiles on your behalf.

The incident underscores that ransomware groups continue to target everyday businesses that serve families, turning routine service records into long-term privacy risks. One practical step can break the chain before it reaches your home. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts. Starting your DoxxScan trial today gives you and your family an early warning system and expert support when the next leak appears.

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.

Check your exposure
Clark Mechanical is one listing. Your email is probably in others.
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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed April 21, 2025
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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