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high severity December 17, 2023 · 3 min read Unverified claim — what this is

Biomatrix LLC Listed by medusa Ransomware Group

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

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

Biomatrix LLC Listed by medusa Ransomware Group

On December 17, 2023, Biomatrix LLC appeared on the leak site operated by the Medusa ransomware group. The Florida-based biomedical research company, founded in 1997 and located in Plantation, was listed after its internal files were allegedly exfiltrated during a ransomware attack. The listing does not specify how many individuals may have had their information exposed, nor does it detail the exact volume or types of documents taken beyond claiming that sensitive internal files were stolen.

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Details from the Medusa Listing

The primary disclosure on the Medusa leak site states that Biomatrix LLC suffered a ransomware intrusion in which attackers successfully exfiltrated internal files before encrypting systems. No specific record count is provided, and the listing does not break down whether the files contained customer records, employee personal data, research participant information, or financial documents. The disclosure indicates the company was given a deadline to negotiate or face full publication of the stolen material. Public mirrors of the leak site, such as ransomware.live, continue to host the entry at the onion address referenced in the original posting.

Why This Matters for You and Your Family

When a company like Biomatrix that conducts biomedical and clinical research is breached, the consequences reach far beyond corporate walls. If you or any member of your family participated in a clinical trial, received lab services, or had medical specimens processed through a partner organization, your personal health details, contact information, or financial records could be among the stolen files. Even without exact numbers released, the exposure of internal files in a research setting often includes names, addresses, dates of birth, Social Security numbers, and medical history that criminals can monetize for years. Health and research data carries a higher street value than basic login credentials because it enables identity theft, insurance fraud, and targeted scams that feel deeply personal.

Doxxing and Identity-Chain Risks

Stolen internal files rarely stay isolated. Attackers routinely cross-reference leaked employee or client data with other breaches to build detailed profiles. A single email address or phone number from Biomatrix’s records can link to your social-media accounts, children’s school records, or online shopping profiles. This creates an identity chain that makes doxxing easier and faster. Public reporting on similar incidents shows that once initial data appears on a ransomware site, follow-on extortion attempts and sales on dark-web marketplaces often follow within weeks. Credential leaks of this nature also cascade into gaming accounts belonging to you or your children, where the same reused password can lead to account takeovers, harassment, and further exposure of household information.

Medusa Group’s Known Track Record

Public reporting attributes the Medusa ransomware operation to a group that emerged in 2021. The actors have targeted organizations across healthcare, technology, and professional services, frequently listing victims on their leak site when ransom demands go unmet. Their typical playbook involves initial access through compromised remote desktop credentials or phishing, followed by exfiltration of sensitive files before deploying encryption. Medusa then uses dual extortion tactics: threatening both data publication and, in some cases, contact with affected customers or partners. The group maintains an active leak site and has claimed responsibility for dozens of incidents, though exact success rates remain difficult to verify from open sources.

What to do

  • Run a DoxxScan to map every link between your emails, phone numbers, usernames, and real-world identity so you can see exactly what chains back to the Biomatrix breach.
  • Rotate any password you used at Biomatrix or related research portals anywhere it has been reused, and immediately enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure of your information is caught and addressed in hours, not months.
  • Cover the entire household with DoxxScan family protection that extends to dependents and children’s gaming accounts, which often become targets when credential leaks create doxxing chains.
  • Let remediation specialists handle data-broker takedown requests and opt-out processes on your behalf while you focus on securing accounts and monitoring for suspicious activity.

The Biomatrix listing is a reminder that even specialized research firms handling sensitive personal information remain prime targets. Taking deliberate steps now can limit how far this claimed breach travels across your digital life. Start your DoxxScan trial and let its continuous monitoring, AI-powered identity-chain mapping, hands-on remediation by specialists, and household coverage—including children’s gaming accounts—work for your family.

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Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

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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 the filing does not enumerate what was exposed
Disclosed December 17, 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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