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high severity May 25, 2024 · 3 min read Unverified claim — what this is

jmthompson.com Listed by cactus Ransomware Group

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

Download link #1:  https://***************.onion/JMT/PROOF/Mirror: https://cactus5dqnqkppa5ayckiyk6dttpqwczdqphv5mxh4dkk5ct544q5aad.onion/JMT/PROOF/DATA DESCRIPTIONS: Personal identification documents, employee personal files, confidential corporate data, projects, drawings, financial documents, supplier\customer information,  corporate and personal correspondence, etc.

— from Cactus’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.
jmthompson.com Listed by cactus Ransomware Group

On May 25, 2024, the domain jmthompson.com appeared on the leak site operated by the cactus Ransomware Group. The listing states that files were exfiltrated during a ransomware attack and offers proof and full data samples via Tor links. Anyone whose personal or employment records passed through J.M. Thompson’s systems may now be exposed.

Already exposed?
You can’t unleak data. You can take away what it’s worth.
A leaked record is where it starts, not where it ends. What turns it into your front door is the look-up sites publishing your address beside your name — and those are what an AI reads when somebody asks about you. The free scan shows you both. We write to 582 companies.
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Details in the Leak-Site Posting

The cactus leak site lists the victim under the identifier JMT and provides two .onion links: one labeled PROOF and a mirror containing the full exfiltrated material. The posting describes the stolen data as personal identification documents, employee personal files, confidential corporate data, projects, drawings, financial documents, supplier and customer information, and corporate and personal correspondence. The disclosure does not quantify how many records were taken or name specific individuals. It simply states that internal files were removed before the ransomware was deployed.

Why This Matters for You and Your Family

When a company that handles employee or customer records suffers a ransomware breach, the information that leaves its network often includes details that can be used to open accounts, file fraudulent taxes, or impersonate you. Personal identification documents and financial documents are especially damaging because they contain the exact data lenders, government agencies, and service providers rely on to verify identity. Even if your name is not listed publicly on the leak site, the exposure puts you and anyone whose records were stored alongside yours at elevated risk of identity theft for months or years.

The Doxxing and Identity-Chain Implications

Ransomware groups rarely stop at posting corporate spreadsheets. Once personal identification documents and correspondence are public, opportunistic actors scrape names, addresses, dates of birth, and email addresses to build persistent profiles. These profiles are then sold or traded on underground forums and linked to usernames, phone numbers, and children’s gaming accounts. A single leaked employee file can create a chain that connects your work identity to your home address, family members, and online handles. The longer the data remains available, the more complete the picture becomes.

Cactus Ransomware Group’s Known Track Record

Public reporting attributes the emergence of Cactus to mid-2023. The group has targeted organizations across North America and Europe, typically gaining initial access through compromised remote desktop credentials or vulnerable VPN appliances. After exfiltrating data, Cactus deploys its encryptor and later posts samples on its Tor leak site if the victim does not pay. Its playbook emphasizes volume over negotiation theater: short deadlines, proof-of-exfiltration samples, and the release of sensitive internal files when ransom demands go unmet. The jmthompson.com listing follows this established pattern.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, then use the cleanup to remove what you can.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours rather than months.
  • Rotate any password you used at jmthompson.com or related services 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 often become entry points for further doxxing chains.
  • Let remediation specialists handle ongoing takedown requests for any personal documents that surface on data-broker or leak sites.

The incident shows how quickly internal corporate records become personal exposure once a ransomware group decides to publish them. Staying ahead requires more than checking a single breach list; it demands continuous visibility and active intervention. DoxxScan by GalaxyWarden delivers that visibility through continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and household coverage that includes children’s gaming accounts. One short forward-looking step today can limit the long-term damage from leaks that have already occurred.

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
jmthompson.com is one listing. Your email is probably in others.
We can’t confirm any single incident against the sources we search, so we won’t pretend to. What we can show you is your own exposure — your email against 13.1B+ leaked records and the sites that publish your address. About 15 seconds. No account, no card.

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Report details & sourcing

Severity High
Disclosed May 25, 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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