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high severity June 12, 2024 · 3 min read Unverified claim — what this is

Concrete Listed by hunters Ransomware Group

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

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

Concrete Listed by hunters Ransomware Group

On June 12, 2024, Canadian construction firm Concrete appeared on the leak site operated by the hunters ransomware group. The listing states that internal files were exfiltrated during a ransomware incident; the company’s data was neither encrypted nor publicly quantified in terms of record count.

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Details from the Leak-Site Listing

The hunters leak site entry states that Concrete, based in Canada, suffered a ransomware attack in which attackers successfully exfiltrated data. It explicitly notes that the victim’s systems were not encrypted. No specific volume of records or exact data types is listed, and the disclosure does not provide samples beyond the claim of successful data theft. The entry was first observed on ransomware tracking platforms such as ransomware.live on the date above and remains active.

Why This Matters for You and Your Family

When a company that handles contracts, supplier details, employee records, or payment information is breached, the consequences reach far beyond the corporate perimeter. If your employer, your contractor, or a business you dealt with is Concrete, your personal or financial details may now sit in an attacker’s archive. Even without an exact count of affected individuals, the exposure of internal files typically includes names, addresses, dates of birth, Social Insurance Numbers, banking coordinates, or project-related personal data. Any of these can be used to open accounts, file fraudulent taxes, or launch further attacks against you and your family.

The Doxxing and Identity-Chain Risk

Exfiltrated internal files often contain spreadsheets that link employee names to home addresses, phone numbers, email accounts, and sometimes family-member details. Attackers and subsequent buyers can chain this information with credential leaks, public records, and social-media handles to build complete identity profiles. A single leaked work email can lead to takeover of personal accounts, which in turn exposes children’s gaming usernames or family photos. These chains accelerate doxxing, targeted phishing, and long-term identity fraud. DoxxScan by GalaxyWarden continuously monitors across 13.1B+ breach records and 100+ platforms with AI-powered identity-chain mapping and hands-on remediation by specialists, including household coverage that extends to children’s gaming accounts vulnerable to credential-based takeovers.

The Hunters Ransomware Group’s Track Record

Public reporting attributes the hunters group with operating a double-extortion model that emerged prominently in late 2023. The actors typically gain initial access through phishing, remote-desktop compromise, or exploited vulnerabilities, exfiltrate sensitive files before triggering any encryption, then publish victim data on their dark-web leak site when ransom demands go unpaid. Notable prior victims have included manufacturing, logistics, and professional-services companies across North America and Europe. The group’s playbook emphasizes speed of data publication and selective release of stolen documents to pressure victims, rather than widespread free distribution.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by the service.
  • Enable continuous DoxxScan monitoring so the next breach exposing your data is caught in hours rather than months.
  • Rotate any password you used at Concrete or related business systems anywhere it has been reused, and switch on 2FA through an authenticator app instead of SMS.
  • Cover the household with DoxxScan family protection that includes dependents and children’s gaming accounts that often chain back to the same breached address or email domain.
  • Let remediation specialists manage takedown requests for any exposed personal documents appearing on data-broker or paste sites.

The Concrete listing is a reminder that construction and contracting firms are now routine targets; the data stolen today can fuel identity crimes for years. Start your DoxxScan trial and let continuous monitoring plus specialist remediation shield your family from the expanding ripple effects of this and future leaks.

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 June 12, 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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