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high severity August 07, 2026 · 4 min read Unverified claim — what this is

Holborn European Marketing Listed by The Gentlemen Ransomware Group

If you have an account with Holborn European Marketing, here’s what’s now in circulation.

holborn.com.cy Holborn European Marketing Company Limited is a Cyprus-based energy trading firm established in 1987, operating from its headquarters in Larnaca. The company specializes in purchasing crude oil and feedstocks, selling refined petroleum products, and active oil trading. It serves as a major energy supplier that fulfills local market needs in Cyprus while also maintaining a significant operational presence as a key oil products supplier in Northern Germany.

— from The Gentlemen’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.

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Holborn European Marketing Listed by The Gentlemen Ransomware Group

On August 07, 2026, The Gentlemen ransomware group listed Holborn European Marketing Company Limited on its leak site, claiming the Cyprus-based energy trading firm had been compromised. The company, which operates as holborn.com.cy and maintains a significant presence supplying oil products in Cyprus and Northern Germany, has not publicly confirmed the incident as of this writing. According to the leak-site listing, the group asserts it obtained data from the organisation, although the exact nature and volume of any allegedly stolen information remain undisclosed.

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Primary Disclosure Details

Primary Disclosure Details

The Gentlemen leak site, tracked via RansomLook, published Holborn European Marketing as a victim on 7 August 2026. The entry includes links to the company’s website and its ZoomInfo corporate profile but provides no specific details on data types, number of records, or samples. The listing does not quantify affected users, nor does it state what systems were allegedly accessed. Because the sole primary source is the threat actor’s own leak site rather than a company notification or regulatory filing, this remains an unconfirmed claim. Holborn European Marketing has issued no public statement acknowledging a breach, data theft, or extortion demand.

Why This Matters for You and Your Family

Why This Matters for You and Your Family

Even without Reported Details, the mere public listing of an energy trading company creates immediate risk for anyone whose personal information has ever passed through Holborn’s systems. Suppliers, customers, employees, contractors, and their dependents may have had names, contact details, addresses, financial information, or business records processed by the firm. If the group’s claims are accurate, that data could now be in the hands of professional extortionists who routinely publish or sell stolen records. For ordinary people, this translates to heightened exposure to identity theft, phishing campaigns tailored with corporate context, and potential fraud targeting home addresses or banking details linked to energy trading transactions.

Doxxing and Identity-Chain Risks

Ransomware groups like The Gentlemen rarely stop at corporate files. Employee directories, vendor spreadsheets, and customer databases frequently contain personal identifiable information that chains together with other leaks. A leaked work email or phone number can be correlated with gaming accounts, family addresses, or spouse details, rapidly expanding the attack surface. Children’s gaming accounts are particularly vulnerable because credential reuse often links them back to a parent’s corporate email or home address exposed in breaches like this. Once an identity chain is mapped, attackers can pursue doxxing, SIM-swapping, or targeted social engineering against you or your household.

The Gentlemen Ransomware Group Track Record

Public reporting attributes The Gentlemen as a relatively new double-extortion ransomware operation that emerged in late 2024. The group is known for targeting mid-sized enterprises across Europe and North America, with a playbook that typically involves initial access through phishing or exploited remote desktop services, followed by extensive exfiltration before encryption. Their extortion style combines data leak threats with demands for payment to prevent publication. Previous victims listed on their site have included manufacturing, logistics, and professional services firms. While the group’s long-term sophistication is still being assessed, their consistent use of leak sites to pressure victims is well documented in threat intelligence circles.

What to do

  • Run a DoxxScan to map every link between your email addresses, phone numbers, usernames, and real-world identity, then use the no-subscription cleanup of Warden to address immediate exposures.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next time your information surfaces it is caught and acted upon within hours rather than months.
  • Rotate any passwords used at Holborn European Marketing or related business accounts anywhere they have been reused, and secure those accounts with 2FA through an authenticator app rather than SMS.
  • Let DoxxScan’s remediation specialists handle takedown requests across data brokers and leak-related sites on your behalf, as manual removal at scale is rarely effective.
  • Note that a leaked home address or supplier record exposes everyone at that location; your own timely removal requests are what ultimately takes that information out of circulation.

The incident underscores how even unconfirmed ransomware claims can accelerate identity risk for ordinary families whose data touches corporate supply chains. A single listing can trigger cascading exposure that lasts for years. Using tools built for exactly this problem is now table stakes for protecting yourself. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion breach records and over 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists who understand how these leaks evolve into long-term threats.

Why a leak does not stop at the leak

The leak is one end of the chain.

One leaked email can lead to everything else.

Your real name, home address, relatives, employer and phone — most of it already on sale. Nobody can unleak the email. We take down everything it points to, then take it down again each time one of them puts it back.you@email.com · leaked · stays leaked

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. That’s what a Deep Sweep buys.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample637 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 August 07, 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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Why this isn’t just another breach checker

A breach leaks your credentials. Then hackers chain those credentials to your address, family, phone, and employer using public broker sites. We’re built around that chain.

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