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high severity September 16, 2023 · 4 min read Unverified claim — what this is

Marston Domsel Listed by ciphbit Ransomware Group

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

Decades of experience have made MARSTON-DOMSEL a household name in the industry. We will continue to aim for the continuous optimisation of our product range in the future so that we can continue to set standards for functionality and performance. Problems are solved in collaboration with competent technicians, not just in Germany but also worldwide. All internationally acquired experience is incorporated together with research results to the benefit of the customer. The manufacturing facilities fulfil all relevant international standards. Due to optimised manufacturing processes, MARSTON-DOMS

— from Ciphbit’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.
Marston Domsel Listed by ciphbit Ransomware Group

On September 16, 2023, German chemical manufacturer Marston Domsel appeared on the leak site operated by the ciphbit ransomware group. The listing states that the company suffered a ransomware attack in which internal files were exfiltrated. The notification does not disclose the number of records affected, the precise data types stolen, or any ransom demand.

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Details from the Leak-Site Listing

The ciphbit leak site entry states that Marston Domsel was hit by a ransomware operation and that attackers successfully removed internal files. No sample data is publicly shown on the page, and the listing does not quantify the volume or sensitivity of the material taken. The disclosure simply states that the company’s data is now held by the group and implies it will be released unless payment is made. Public reporting on ciphbit indicates the group follows a double-extortion model common to many ransomware operators: encrypt systems, exfiltrate information, then threaten both operational disruption and public data exposure.

September 16, 2023 marks the first public confirmation of the incident through the ransomware.live mirror of the ciphbit site. The manufacturer, known for industrial adhesives and sealants, has not published its own breach notification detailing what customer, supplier, or employee information may have been inside the stolen files.

Why This Matters for You and Your Family

When a company like Marston Domsel loses control of internal files, anyone whose information touched those systems faces real risk. Suppliers, distributors, employees, and even end customers could find their names, addresses, contact details, or payment records exposed. For ordinary people this often means sudden spam, phishing campaigns, or identity thieves testing stolen credentials across other services. Because the leak-site listing does not detail what was taken, you cannot assume your information is safe simply because you are not an executive.

Credential leaks frequently cascade far beyond the original victim company. If an employee reused a work password on a personal account, or if supplier spreadsheets contained home addresses and phone numbers, those details become building blocks for larger attacks against you and your family.

The Doxxing and Identity-Chain Risk

Exfiltrated internal files often contain spreadsheets that link names, email addresses, phone numbers, and sometimes dates of birth or national ID numbers. Attackers and subsequent buyers can combine these fragments with data from other breaches to map entire households. A single leaked business contact can expose your home address, partner’s name, and even children’s details if they appear on family insurance or event forms. Once those connections exist, doxxing campaigns can escalate quickly—publishing personal information on forums or using it to impersonate family members.

Credential reuse turns one breach into many. A password stolen from a Marston Domsel system can unlock email, banking, or social-media accounts if it was ever reused. Gaming accounts belonging to children are especially vulnerable because they often share the same email address as a parent’s work account and rarely have strong protection.

Ciphbit’s Known Track Record

Public reporting attributes ciphbit with emerging in early 2023 as a ransomware-as-a-service operator. The group has targeted mid-sized manufacturing and industrial firms across Europe and North America. Its typical playbook begins with phishing or exploitation of remote-desktop services for initial access, followed by lateral movement, data exfiltration, and deployment of encryption software. After encryption, ciphbit posts victim names on its leak site and offers proof of stolen data. Like many contemporary ransomware groups, it pressures victims by threatening to release sensitive files rather than relying solely on decryption demands. The exact success rate and total victims remain unclear because ciphbit does not maintain a highly public archive like some larger operations.

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.
  • Rotate any password you ever used at Marston Domsel or related supplier portals anywhere it appears, and switch to 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 data is caught in hours instead of months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts, which often chain back to the same addresses and emails exposed in business breaches.
  • Let remediation specialists handle takedown requests for any personal information already appearing on data-broker or extortion sites.

The Marston Domsel listing is a reminder that ransomware groups continue to treat stolen corporate files as public leverage, and ordinary families bear the downstream consequences. Starting now with disciplined credential hygiene and persistent visibility is the most practical defense. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, including household coverage that protects both adult accounts and children’s gaming profiles that frequently become targets after credential leaks like this one.

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 September 16, 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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