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high severity August 27, 2023 · 3 min read Unverified claim — what this is

grupomartex.com Listed by lockbit3 Ransomware Group

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

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

grupomartex.com Listed by lockbit3 Ransomware Group

On August 27, 2023, the LockBit3 ransomware group listed grupomartex.com on its leak site, claiming that internal files had been exfiltrated from Martex, an international manufacturer of high-performance textiles for sports, military, police, ballistics, and institutional markets.

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Reported Details from the Listing

The LockBit3 leak-site entry states that Martex suffered a ransomware attack in which attackers successfully exfiltrated internal files. The disclosure does not quantify how many records were taken, list specific data types beyond “internal files,” or reveal any ransom demand. It simply presents the company name, a sample of allegedly stolen documents, and a countdown timer typical of the group’s extortion process. No customer, employee, or partner names appear in the initial posting itself, though the nature of the files suggests business records, contracts, and operational data may be at risk if the full archive is published.

Why This Matters for You and Your Family

When a manufacturer supplying military, police, and institutional buyers is breached, the ripple effects reach far beyond corporate walls. If your name, address, or contact details appear in supplier lists, employee records, or vendor databases connected to Martex, those details may now be in the hands of professional extortionists. Internal files exfiltrated can include invoices, shipping manifests, or personnel rosters that link real people to sensitive contracts. For ordinary families this means heightened risk of identity theft, targeted phishing, or even physical threats if home addresses tied to law-enforcement or military suppliers become public.

The Doxxing and Identity-Chain Risk

Ransomware operators rarely stop at one dataset. A single leaked email or phone number from an internal file can be chained with information from other breaches to build a complete profile: home address, family members’ names, children’s schools, and even gaming usernames. These identity chains allow attackers to impersonate you, hijack accounts, or sell the bundle on dark-web marketplaces. Credential leaks of this kind frequently cascade into gaming-account takeovers, where children’s profiles become entry points for further harassment or financial fraud because the same password or recovery email was reused.

LockBit3’s Publicly Known Track Record

Public reporting attributes LockBit3 as the latest evolution of the LockBit ransomware family, which first appeared in 2019 and rebranded after law-enforcement actions against earlier versions. The group has targeted hospitals, manufacturers, financial firms, and government contractors worldwide. Its typical playbook involves initial access through compromised remote-desktop credentials or vulnerable web applications, followed by rapid exfiltration of sensitive files before encryption. LockBit3 then demands payment and, if unpaid, publishes samples and eventually the full archive on its leak site to pressure victims and their partners. The group’s leak site has hosted hundreds of victims, making it one of the most active ransomware operations still operating as of the 2023 incident date.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup of exposed records.
  • Rotate any password you used at grupomartex.com or related vendor portals anywhere it has been reused, 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 surfaces in hours instead of months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts that often chain back to the same address or recovery email.
  • Let remediation specialists handle takedown requests for any personal data already appearing on broker sites or forums tied to this claimed breach.

The Martex breach is a reminder that supply-chain vendors to sensitive sectors can expose ordinary families without warning. Staying ahead requires more than reactive checks; it demands continuous visibility and expert help when data surfaces. DoxxScan by GalaxyWarden delivers exactly that 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 full household coverage that includes children’s gaming accounts. Start your DoxxScan trial today and close the gaps before the next leak escalates.

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 the filing does not enumerate what was exposed
Disclosed August 27, 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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