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high severity May 20, 2024 · 3 min read Unverified claim — what this is

Heras Listed by medusa Ransomware Group

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

Heras (founded in 1952) is an end-to-end supplier of permanent and mobile perimeterprotection solutions. They design, manufacture, install and service temporary and permanent perimeter protection solutions for customers across business, community and industry sectors. Heras UK corporate office is located in Apex Building 1 Water Vole Way, Doncaster, South Yorkshire, DN4 5JP, United Kingdom and has 6 employees. The total amount of data leakage is 393.14 GB

— from Medusa’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.
Heras Listed by medusa Ransomware Group

On May 20, 2024, the Medusa ransomware group added Heras to its public leak site, claiming that the UK-based perimeter protection company had been hit by a ransomware attack in which attackers exfiltrated 393.14 GB of internal files.

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Reported Details from the Listing

The Medusa leak site states that Heras, founded in 1952 and headquartered at Apex Building 1 Water Vole Way, Doncaster, South Yorkshire, suffered a ransomware intrusion. Attackers claim to have taken 393.14 GB of internal company data. The disclosure does not specify the exact types of files taken, nor does it list any individual customer or employee records. The listing simply presents the volume of data and gives Heras a short window to negotiate before further publication. Public reporting on Medusa indicates the group follows a double-extortion model: encryption of victim systems paired with threats to release stolen data.

Why This Matters for You and Your Family

Even when a breach targets a business, the consequences quickly reach ordinary people. Heras supplies permanent and mobile perimeter protection solutions to clients across business, community, and industrial sectors. Contracts, site plans, employee details, or supplier information contained in those 393.14 GB could include addresses, contact numbers, or project schedules tied to your home, your workplace, or your children’s school. Once such material surfaces on a ransomware leak site, it becomes freely downloadable by anyone. You and your family therefore face increased risk of targeted fraud, phishing campaigns, or physical reconnaissance that uses the leaked information as a starting point.

The Doxxing and Identity-Chain Risks

Ransomware leaks rarely stop at corporate spreadsheets. A single exposed email or phone number can be chained with data from previous breaches to build a complete profile. Attackers or opportunistic criminals then target linked accounts, including personal email, banking portals, and gaming logins. Credential reuse across work and home systems turns one company breach into multiple account takeovers. Children’s gaming accounts are especially vulnerable because they often share the same family email or phone number listed in the corporate files. The result is a cascading doxxing chain that can expose your home address, daily routines, and family relationships.

Medusa’s Known Track Record

Public reporting attributes Medusa’s first major campaigns to late 2021. The group has since hit dozens of organizations across manufacturing, healthcare, and professional services. Typical playbook begins with initial access gained through compromised remote desktop credentials or phishing, followed by rapid lateral movement, data exfiltration, and deployment of ransomware. After encryption, Medusa posts samples on its leak site and demands payment to prevent full publication. The group’s leak pages are hosted on Tor and updated frequently; the Heras entry fits this pattern exactly. Exact ransom figures for this incident remain unknown because the listing does not disclose negotiation details.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, then use the cleanup to remove what you can.
  • Rotate any password you used at Heras or any related supplier portal anywhere it has been reused, and switch on 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure of your data is caught in hours, not months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts that often chain back to the same family address or email.
  • Let remediation specialists handle takedown requests across data brokers and leak sites on your behalf while you focus on securing your own accounts.

The Medusa listing of Heras is a reminder that corporate ransomware attacks are also personal threats to everyone whose information travels through the victim’s systems. Acting quickly on credential hygiene and identity mapping limits how far attackers can travel down the chain. DoxxScan by GalaxyWarden delivers 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. Start your DoxxScan trial today and close the gaps before the next leak appears.

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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 May 20, 2024
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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