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high severity April 06, 2024 · 3 min read Unverified claim — what this is

Madero Listed by qilin Ransomware Group

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

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

Madero Listed by qilin Ransomware Group

On April 6, 2024, Canadian door and hardware manufacturer Madero appeared on the leak site operated by the qilin ransomware group. The listing states that internal files were exfiltrated during a ransomware attack. The company, which supplies residential and commercial doors across Western Ontario to British Columbia, has not publicly quantified how many customer, supplier, or employee records may be affected.

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Details from the Leak Site

The qilin leak site entry states that Madero suffered a ransomware incident in which attackers successfully exfiltrated internal files before encryption. The disclosure does not specify the volume of data taken, the exact file types involved, or whether customer personal information was included. It simply lists Madero as a victim and provides a deadline for payment, after which samples of the stolen data are published. Public reporting on qilin indicates the group follows a double-extortion model: they demand ransom to prevent both system encryption and the release of stolen files.

Why This Matters for You and Your Family

If you have purchased doors, ordered hardware, worked at Madero, or had your information stored in the company’s supplier or employee systems, your details may now sit in an attacker’s archive. Internal files exfiltrated in these incidents frequently contain names, addresses, phone numbers, email addresses, payment records, and employee tax documents. Even when exact record counts remain unknown, the exposure creates immediate risks of identity theft, phishing campaigns, and unwanted contact. For families, a single breach like this can expose multiple household members if shared addresses, joint accounts, or children’s school-related supplier records are involved.

Doxxing and Identity-Chain Risks

Stolen internal files rarely stay isolated. Attackers and subsequent data traders combine them with other leaks to build detailed profiles. An email from a Madero purchase, paired with a phone number from an employee directory and an address from a supplier invoice, quickly links your online handles to your real-world identity. These chains fuel doxxing, targeted scams, and account takeovers. Credential leaks of this nature also cascade into gaming platforms; children’s accounts that reuse an exposed parent email or password become easy targets for hijacking and further personal information harvesting.

Qilin’s Known Track Record

Public reporting attributes the emergence of the qilin ransomware group to mid-2022. The gang has targeted organizations across manufacturing, healthcare, education, and professional services. Notable prior victims include mid-sized manufacturers and distributors whose internal documents were used for extortion. Qilin typically gains initial access through phishing, remote desktop protocol brute-force attacks, or exploited vulnerabilities in internet-facing systems. Once inside, operators exfiltrate data before deploying ransomware. Their extortion style relies on pressure through both encryption and selective publication of stolen files on their leak site, with payment deadlines often set between one and two weeks after the initial listing.

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.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours rather than months.
  • Rotate any password you used for Madero accounts, supplier portals, or related services, and secure every reused credential with a unique passphrase plus authenticator-based 2FA.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts, which often chain back to the same breached addresses or emails.
  • Let remediation specialists handle ongoing takedown requests for any exposed personal records that appear on data-broker or extortion sites.

The Madero incident is a reminder that ransomware operators continue to target ordinary businesses that handle everyday customer and employee information. Staying ahead requires more than reactive checks. 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, with full household coverage that includes children’s gaming accounts. Source: https://www.ransomware.live/id/TWFkZXJvQHFpbGlu

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 April 06, 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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