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high severity June 30, 2025 · 3 min read Unverified claim — what this is

JN Aceros Listed by thegentlemen Ransomware Group

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

JN Aceros 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.

JN Aceros Listed by thegentlemen Ransomware Group

On June 30, 2025, Peruvian steel company JN Aceros appeared on the leak site of the ransomware group known as thegentlemen. The listing indicates that internal files were exfiltrated during a ransomware attack on the firm, which operates in the HR and staffing sector and maintains offices in San Luis, Lima region.

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Reported Details from Reporting

Public reporting indicates that JN Aceros, reachable at www.jnaceros.com.pe, was listed on the group’s dark-web leak portal. The company employs between 50 and 99 people and generates annual revenue estimated between 100 million and 250 million dollars. Available reporting describes the data as internal files obtained after the attackers gained access to the company’s systems. Exact volume and full list of records exposed have not been independently verified, but the presence on the leak site states that sensitive business information is now publicly available for anyone who visits the onion address.

The incident follows the group’s standard pattern of encrypting victim networks, exfiltrating selected data, and then publishing samples when ransom demands are not met.

Why This Matters for You and Your Family

Even though JN Aceros is a business, its HR and staffing role means the stolen files are likely to contain personal information belonging to ordinary people — current and former employees, job applicants, contractors, and possibly their family members. Names, addresses, national ID numbers, payroll records, tax documents, and contact details are typical in such breaches. Once this information reaches criminal forums, it can be purchased and used to open fraudulent accounts, file fake tax returns, or launch impersonation scams against you or your relatives.

Children’s records are not immune. Many families list dependents on employment forms, and stolen HR files often include dates of birth and school information that can be chained with other leaks to build detailed profiles.

The Doxxing and Identity-Chain Risk

Ransomware leaks rarely stop at the first company. Attackers and subsequent buyers map connections between corporate data and personal accounts. A work email from the JN Aceros breach can be cross-referenced with credential leaks from retail sites, streaming services, or gaming platforms. This creates an identity chain that leads directly to your home address, phone number, and family members’ online handles.

Credential leaks like this one cascade into account takeovers and doxxing chains, especially when gaming accounts are involved. Children’s usernames, linked via a parent’s work email or shared family address, become easy targets for harassment, swatting, or further extortion.

thegentlemen Group’s Known Track Record

Public reporting attributes thegentlemen as a ransomware operation that emerged in late 2024. The group has targeted organizations across multiple countries, focusing on mid-sized firms in manufacturing, professional services, and logistics. Notable prior victims include other Latin American companies whose internal documents were published after failed ransom negotiations. Their typical playbook involves initial access through phishing or exploited remote desktop services, followed by lateral movement to exfiltrate HR, financial, and operational files. Extortion combines encryption of victim systems with selective publication of stolen data on their leak site, applying pressure through countdown timers and sample releases.

What to do

  • Run a DoxxScan to map every link between your emails, phone numbers, usernames, and real-world identity so you can see exactly what the JN Aceros data connects to.
  • Rotate any password you used at JN Aceros or related staffing portals anywhere it has been reused, and switch on two-factor authentication through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1 billion+ breach records and more than 100 platforms so the next exposure of your information is caught within hours instead of months.
  • Cover the entire household with DoxxScan family protection that extends to dependents and children’s gaming accounts, which frequently become entry points when corporate HR data leaks.
  • Let DoxxScan remediation specialists handle takedown requests for any exposed personal records appearing on data broker sites or forums linked to this incident.

The JN Aceros breach is a reminder that corporate ransomware attacks quickly become personal threats to the individuals whose data travels with the files. Acting quickly on the exposure can limit how far criminals push the stolen information. 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 family and household coverage including children’s gaming accounts.

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 30, 2025
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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