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high severity July 24, 2023 · 4 min read Unverified claim — what this is

John Mulder Heating & Air Conditioning Listed by play Ransomware Group

If you are a customer of John Mulder Heating & Air Conditioning, here’s what is being claimed, and what it would mean for you.

John Mulder Heating & Air Conditioning was listed on Play's leak site. Play claims to have stolen internal data. This is the group's claim, not a confirmed finding.

John Mulder Heating & Air Conditioning Listed by play Ransomware Group

On July 24, 2023, John Mulder Heating & Air Conditioning, a British Columbia-based HVAC company, was listed on the leak site operated by the Play ransomware group. The listing states that internal files were exfiltrated during a ransomware attack, although the exact number of records affected and the specific types of data taken remain undisclosed in the primary disclosure.

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Details from the Leak Site Listing

The Play ransomware group’s official leak site published the John Mulder Heating & Air Conditioning entry on July 24, 2023. According to the listing, the company suffered a ransomware incident in which attackers successfully exfiltrated internal files before encrypting systems or demanding payment. The disclosure does not quantify how many customer or employee records were involved, nor does it itemize the precise contents of the stolen files. Public mirrors of the leak site, such as ransomware.live, preserve the original post at the .onion address referenced in the incident record.

This marks a confirmed data exposure stemming directly from a ransomware operation rather than a simple misconfiguration or opportunistic theft. The absence of detailed victim counts or file inventories is typical of many Play group listings, which often provide limited specifics until negotiations fail or deadlines pass.

Why This Matters for You and Your Family

If you or your family have done business with John Mulder Heating & Air Conditioning, your personal information may now sit in an attacker-controlled archive. HVAC service records frequently contain full names, home addresses, phone numbers, email addresses, payment details, and sometimes furnace or air-conditioner serial numbers tied to specific residences. Even without an exact count, the internal files exfiltrated represent a high risk because residential service companies routinely store information that links directly to where you live and how to reach you.

Once such data leaves the company’s control, it can be used for identity theft, phishing campaigns tailored to “your recent HVAC service,” or sold quietly on underground markets. Your family’s day-to-day trust in local service providers suddenly becomes a vector that attackers can exploit months or years later.

The Doxxing and Identity-Chain Implications

Ransomware exfiltration rarely stops at one dataset. A single leaked HVAC record can anchor an identity chain that links your home address to email accounts, phone numbers, and online handles. Attackers cross-reference these details with other breaches to build persistent profiles. Credential leaks that surface in the same ecosystem often cascade into account takeovers, especially for email, banking, or gaming platforms.

This is precisely why gaming accounts belonging to you or your children are at elevated risk. A parent’s reused password exposed through a local business breach can hand attackers the keys to a child’s Roblox, Fortnite, or Steam account, which in turn reveals additional personal details and social connections. The chain grows quickly from a seemingly mundane HVAC service record into full doxxing material.

Play Ransomware Group’s Known Track Record

Public reporting attributes the Play ransomware group’s emergence to mid-2022. Since then the group has targeted organizations across North America, Europe, and Australia, focusing on mid-sized businesses in sectors ranging from manufacturing to healthcare and local services. Notable prior victims include companies whose internal documents, employee records, and customer databases later appeared on the same leak site now listing John Mulder Heating & Air Conditioning.

The group’s typical playbook begins with initial access gained through compromised remote desktop credentials or phishing, followed by lateral movement inside the victim network, data exfiltration, and eventual deployment of ransomware. Play operators usually wait a period after exfiltration before publishing samples, using the leaked material as leverage in extortion negotiations. They have shown willingness to release additional batches of data if payment deadlines are missed, a pattern consistent with the July 24, 2023 listing.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, taking advantage of cleanup offered by GalaxyWarden.
  • Rotate any password you have reused at John Mulder Heating & Air Conditioning or similar service providers, and switch to 2FA using an authenticator app rather than SMS.
  • 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, not months.
  • Cover the entire household with DoxxScan family protection, which extends to dependents and children’s gaming accounts that often chain back to the same address or parent credentials.
  • Let remediation specialists handle takedown requests across data brokers and leak sites on your behalf while you focus on securing day-to-day accounts.

The incident underscores a persistent reality: even local service companies can become gateways to long-term identity exposure when ransomware groups strike. Staying ahead requires more than reactive checks. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and over 100 platforms, AI-powered identity-chain mapping that connects scattered handles to real people, and hands-on remediation by specialists who manage takedowns for you and your entire household, including children’s gaming accounts vulnerable to credential-based takeovers. Start your DoxxScan trial today to close the gaps this claimed breach and future ones could otherwise exploit.

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 24, 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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