grupomartex.com Listed by lockbit3 Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

When a company that supplies specialised textiles to sports, military, police and institutional customers appears on a ransomware group’s leak site, the practical concern for employees, partners and contacts is straightforward: internal files may have left the organisation’s control. Public reporting does not yet say how many people are involved or exactly which records were taken, so anyone who has dealt with grupomartex.com has reason to treat the claim seriously and check whether their own information has appeared elsewhere.

On 27 August 2023 the organisation was listed by the group known as lockbit3. The listing asserts that internal files were exfiltrated in a ransomware attack. Beyond that claim, confirmed detail remains limited.

What happened

According to the public record, grupomartex.com was named on a lockbit3 leak site on 27 August 2023. The group’s listing describes the incident as a ransomware attack in which internal files were allegedly exfiltrated. No confirmed figure for the number of people affected has been published, and the precise method of initial access, the duration of any intrusion, and the full scope of systems involved have not been disclosed in the available facts.

Ransomware incidents of this type typically involve encryption of systems combined with theft of data, after which the operators threaten to publish the material unless a payment is made. In this case the only concrete public assertion is the leak-site listing itself; independent confirmation of the volume or sensitivity of the files has not been supplied in the reported summary. Readers should therefore treat the group’s statements as claims rather than verified findings until further official detail emerges.

Who is lockbit3?

LockBit 3, sometimes referred to as LockBit Black, is a well-documented ransomware operation that has been active for several years. Like other groups in this category, it commonly uses a double-extortion model: encrypting a victim’s systems while also copying data and threatening to release it on a dedicated leak site if the ransom is not paid. The group has historically recruited affiliates who carry out intrusions, often gaining entry through phishing, exploited vulnerabilities or compromised remote-access credentials, then deploying the ransomware payload.

LockBit 3 has been linked to numerous high-profile incidents across manufacturing, professional services, government contractors and other sectors. Its leak sites have frequently listed victim names, sample files and countdown timers as pressure tactics. None of that general pattern, however, proves the specific contents or accuracy of any single listing. In the present case the only established public fact is that lockbit3 claimed responsibility for an attack on grupomartex.com and asserted that internal files had been taken; no further statements attributed to the group about this particular victim appear in the given record.

Who is grupomartex.com?

Grupomartex.com is the online presence of Martex, described in available material as an international corporation specialising in high-performance textile solutions. Its markets include sports, military, police, ballistics and institutional or public-sector customers. Organisations of this kind typically design, manufacture or supply technical fabrics and related products that must meet demanding performance, durability and sometimes regulatory standards.

Because the company works with defence, law-enforcement and institutional buyers, a breach carries weight beyond ordinary commercial inconvenience. Such firms commonly hold supplier contracts, technical specifications, quality-control records, employee information and correspondence with government or security-related clients. Even when the exact files taken remain unconfirmed, the nature of the business means that compromised internal material could affect operational security, commercial confidentiality or the privacy of individuals who work with or for the organisation.

What data was at risk

The reported facts state only that “internal files” were exfiltrated in a ransomware attack. No inventory of specific data types—such as names, contact details, financial records, technical drawings or contract documents—has been published. The number of people affected is listed as unknown.

Companies operating in high-performance textiles for military, police and institutional markets ordinarily maintain a range of sensitive material: employee and contractor personal data, customer and supplier lists, product specifications, testing results, pricing and bid information, and internal communications. It is reasonable to expect that some combination of these categories could have been present on systems reached by an attacker. That expectation, however, is not the same as confirmation. Until the organisation or independent investigators release a clearer accounting, the precise contents of the exfiltrated files remain unconfirmed.

Why it matters

For individuals, the main risks are practical rather than dramatic. If employee or partner contact details, identification documents or correspondence were among the internal files, those people may face targeted phishing, social-engineering attempts or misuse of personal information. Even fragmentary data can be combined with other breaches to build more convincing scams. Staff and suppliers who regularly exchange technical or contractual material with Martex have particular reason to watch for unusual requests that appear to come from familiar addresses.

For the organisation itself, the consequences include potential disruption of operations, cost of incident response and recovery, possible contractual or regulatory obligations to notify partners, and reputational damage with customers who rely on confidentiality—especially in defence and public-sector supply chains. Because the scale and exact data types are undisclosed, the full extent of these impacts cannot yet be measured. The absence of public numbers does not reduce the need for caution; it simply means affected parties must proceed on the basis of incomplete information.

Were you affected?

If you have worked for, supplied, or corresponded with grupomartex.com or Martex, treat the lockbit3 listing as a signal to take basic protective steps. Monitor financial and email accounts for unexpected activity, be sceptical of unsolicited messages that reference the company or claim to need urgent action, and consider changing passwords on any accounts that may have been used in connection with the organisation. Enable multi-factor authentication where it is available.

You can also run a free exposure scan of your email address to check whether it has already appeared in known breach data sets. That check will not confirm or deny involvement in this specific incident, but it can show whether your details are circulating more widely and help you decide what further monitoring is worthwhile. Official updates from the company, if and when they are issued, remain the most reliable source for definitive information about what was taken and who should be notified.

AICompiled with AI assistance from public sources and published under our editorial standards.