Skip to content
Back to Blog
high severity June 16, 2023 · 3 min read Unverified claim — what this is

MARTI.COM Listed by clop Ransomware Group

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

Wir bauen in die Höhe, die Tiefe und auf die Zukunft – Marti Gruppe

— from Clop’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.
MARTI.COM Listed by clop Ransomware Group

On June 16, 2023, the German construction company Marti.com appeared on the leak site operated by the Clop ransomware group. The listing states that internal files were exfiltrated during a ransomware attack, although the exact number of affected individuals and the full scope of data remain undisclosed in the primary posting.

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.
See what is exposed about you — free scan →
Not ready yet? Run a free breach check on this email
We’ll check it against 13.1B+ leaked records right now — no account needed. Continuous monitoring & alerts are part of Protection.

Details from the Leak-Site Listing

The Clop leak site entry for Marti.com states that the company suffered a ransomware intrusion in which attackers successfully removed internal files before encryption. The disclosure does not quantify how many records were taken or list specific data types such as customer records, employee personal information, or financial documents. It simply states that exfiltrated material is available for review if the company does not negotiate. The posting carries the standard Clop countdown timer used to pressure victims into payment. Public reporting on Clop’s past behavior indicates that when companies ignore these listings the group often publishes sample documents or offers the full archive to other criminals.

Why This Matters for You and Your Family

Even when a breach involves a business rather than a consumer service, the consequences reach ordinary people. If you have ever worked with Marti Gruppe, supplied materials to their construction projects, or had your personal details included in vendor files, those records may now sit on a criminal server. Internal files exfiltrated frequently contain names, addresses, dates of birth, national identification numbers, banking coordinates, and contracts that tie real identities to specific projects. Once such data leaves the victim’s control, it circulates among data brokers, fraud shops, and extortion crews. Your family’s exposure does not end when the news cycle moves on; it continues for years as the information is repackaged and sold.

The Doxxing and Identity-Chain Risk

Ransomware leaks like this one rarely stop at the initial publication. Criminals map relationships between corporate documents and personal accounts, turning a single breach into a chain that links work emails to home addresses, phone numbers, and even children’s online profiles. A leaked vendor spreadsheet can reveal your child’s school schedule if after-school transport was arranged through the company. Gaming usernames reused across family devices become easy targets once an associated email appears in the dataset. These connections allow attackers to impersonate family members, hijack accounts, or launch convincing spear-phishing campaigns. The longer the data remains unmonitored, the more complete the identity profile becomes.

Clop’s Publicly Known Track Record

Public reporting attributes the Clop gang’s first major campaigns to late 2019. The group rose to prominence in 2021 after it began exploiting a zero-day vulnerability in the Accellion FTA file-transfer appliance, compromising dozens of large organizations including universities, healthcare providers, and logistics firms. Notable prior victims include the British transport company G4S, the University of Manchester, and several major banks. Clop’s typical playbook involves initial access through vulnerable web applications or remote-desktop services, followed by extensive internal reconnaissance, data exfiltration, and then dual extortion: demanding ransom to prevent encryption and a second payment to stop data publication. The group maintains its own leak site and frequently updates it with new victims on a weekly basis. When companies refuse to pay, Clop releases sample files and sometimes auctions entire datasets.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup of exposed data.
  • Rotate any password you have used at Marti.com or related vendor portals anywhere it is reused, and enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next leak that touches your family is caught in hours, not months.
  • 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 parent email.
  • Let remediation specialists handle takedown requests across data brokers and extortion sites on your behalf while you focus on securing daily accounts.

The incident demonstrates that construction-sector suppliers and their employees are now routine targets for sophisticated ransomware operators. Staying ahead requires more than changing a password; it demands ongoing visibility into how your personal information travels across criminal platforms. DoxxScan by GalaxyWarden delivers that visibility through continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts vulnerable to credential-stuffing attacks that cascade from corporate leaks like this one. Start your DoxxScan trial today and close the gaps before the next listing 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
Marti.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.

By running your scan you agree to the Terms and Conditions and the Privacy Policy, and to GalaxyWarden emailing you the results of this scan.

Report details & sourcing

Severity High
Disclosed June 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.
Share this Post on X Reddit Email