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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 are a customer of Holborn European Marketing, here’s what is being claimed, and what it would mean for you.

Holborn European Marketing was listed on The Gentlemen's leak site. The Gentlemen claims to have stolen internal data. This is the group's claim, not a confirmed finding.

Holborn European Marketing Listed by The Gentlemen Ransomware Group

On August 07, 2026, the ransomware group known as thegentlemen listed Holborn European Marketing Company Limited on its leak site. The Cyprus-based energy trading firm, which operates holborn.com.cy and maintains a significant presence supplying oil products in Northern Germany, has not publicly confirmed the claim as of this writing. According to the listing on ransomware.live, the group claims to have compromised the company’s systems and is threatening to publish stolen data.

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Details from the Leak-Site Listing

Details from the Leak-Site Listing

The primary disclosure comes exclusively from thegentlemen’s own leak site, mirrored on ransomware.live. The entry, dated August 07, 2026, includes links to holborn.com.cy and a ZoomInfo company profile but does not specify the volume of records affected, the exact data types allegedly taken, or any ransom demand. The listing states that Holborn European Marketing has been added to the group’s public extortion page, a standard tactic used by the actor to pressure victims into payment. Because the organisation itself has issued no breach notification, regulator filing, or CISA/HHS disclosure, this remains an unconfirmed claim rather than an established breach.

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Why This Matters for You and Your Family

Why This Matters for You and Your Family

Even though the exact scope is unknown, energy-sector companies like Holborn routinely hold supplier contracts, employee personal information, customer billing details, and partner financial records. If the group’s claims are accurate, any data taken could surface publicly or be sold on underground markets. For individuals whose information is connected to the company — whether as employees, contractors, customers, or business partners — this creates a direct risk of identity theft, phishing campaigns, and financial fraud. Your family’s exposure is real: a single leaked work email or phone number often chains to personal accounts used at home.

Doxxing and Identity-Chain Risks

Ransomware leak sites do not simply dump random files. They frequently expose spreadsheets, email archives, and internal databases that link corporate identities to personal ones. A leaked corporate email can be correlated with your home address, spouse’s name, or children’s schooling records. Gaming accounts belonging to you or your children are especially vulnerable because usernames, recovery emails, and passwords reused from work environments create clear pathways for account takeover and subsequent doxxing. Once an attacker maps one identity node, the entire chain — social media, financial portals, and even physical location — becomes easier to exploit.

The Gentlemen Ransomware Group’s Track Record

Public reporting attributes thegentlemen as a relatively new double-extortion actor that emerged in late 2024. The group is known for targeting mid-sized enterprises across Europe and North America, with a focus on sectors that handle sensitive commercial data. Their typical playbook involves initial access through phishing or exploited remote desktop services, followed by claimed exfiltration of documents before encryption. They then publish samples on their leak site and maintain countdown timers to increase pressure. While the group is not yet as prolific as some older ransomware operations, its public listings have grown steadily, and it has demonstrated willingness to release data when victims do not engage.

What to Do

  • Run a DoxxScan to map every link between your work and personal emails, phone numbers, usernames, and real-world identity, then use the cleanup of Warden to begin removal where possible.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure tied to this incident or any future one is flagged within hours rather than months.
  • Rotate any password you have used at Holborn European Marketing or related services anywhere it is reused, and switch to 2FA via an authenticator app instead of SMS.
  • Let remediation specialists handle takedown requests across data brokers and leak repositories for you, as manual removal at scale is rarely effective.
  • Note that a leaked home address or employee contact list endangers everyone at that address; your own timely removal requests are what ultimately reduce circulation of that information.

The incident underscores how quickly corporate compromises translate into personal exposure in today’s interconnected environment. A single unconfirmed ransomware claim can still trigger months of identity risk if left unmonitored. DoxxScan by GalaxyWarden, with its continuous monitoring across 13.1 billion-plus breach records and 100-plus platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, remains one of the most practical tools available for individuals seeking to regain control after such events. Stay vigilant and act early.

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 sample580 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
Holborn European Marketing is one listing. Your email is probably in others.
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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed August 07, 2026
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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