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high severity November 15, 2025 · 3 min read Unverified claim — what this is

Horst Realty Listed by brotherhood Ransomware Group

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

Contains: 27 Gb compressed Files, Emails

— from Brotherhood’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.
Horst Realty Listed by brotherhood Ransomware Group

On November 15, 2025, real estate firm Horst Realty appeared on the leak site of the brotherhood ransomware group. The listing includes 27 Gb of compressed internal files and emails exfiltrated during a ransomware attack. Anyone whose personal information passed through the company — clients, tenants, vendors, or employees — may now find their data circulating in criminal circles.

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Reported Details from Reporting

Public reporting indicates the files were stolen and later published on the group’s dedicated leak page. The compressed archive totals 27 Gb and contains emails along with other internal documents. No exact victim count has been released, and it remains unclear precisely which records were taken. The incident follows the typical ransomware pattern of initial compromise, data theft, and public extortion pressure.

Why This Matters for You and Your Family

When a real estate company loses control of its records, the fallout reaches ordinary families. Horst Realty likely held names, addresses, phone numbers, email accounts, financial details for rentals or purchases, Social Security numbers, and copies of identification documents. Once that information is loose, it can be used for identity theft, loan fraud, or targeted phishing. Children’s records are sometimes included in family files, creating long-term risk that parents must address immediately.

The Doxxing and Identity-Chain Risk

Leaked emails and documents rarely stay isolated. Criminals combine them with data from previous breaches to build detailed profiles. A single exposed email can link gaming usernames, social-media handles, phone numbers, and home addresses. This chaining turns one breach into repeated harassment, account takeovers, and doxxing campaigns. Gaming accounts belonging to you or your children are especially vulnerable because the same passwords or recovery emails often appear in business documents.

Brotherhood Group’s Known Activity

Public reporting attributes the attack to the brotherhood ransomware operation. The group emerged in recent years and has targeted organizations across multiple sectors. Its publicly known playbook involves gaining initial access, exfiltrating sensitive files, and then pressuring victims by publishing samples or full datasets on leak sites when demands are not met. Notable prior victims have included companies in healthcare, education, and professional services, though exact details vary by incident.

What to do

  • Run a DoxxScan to map every link between your emails, phone numbers, handles, and real identity so you can see exactly what chains exist from this claimed breach.
  • Rotate the password used at Horst Realty anywhere it is reused, enable 2FA through an authenticator app instead of text messages, and review account recovery options on every linked service.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure of your information is caught in hours rather than months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts that often chain back to the same address or recovery details.
  • Let remediation specialists handle takedown requests across data brokers and suspicious sites while you focus on securing your own accounts.

The speed with which stolen data moves from leak sites into active criminal use leaves little room for delay. Starting protective steps now can limit how far this incident reaches into your daily life. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping that connects scattered online handles to real identities, and hands-on remediation by specialists who manage takedowns for you. Its household coverage includes children’s gaming accounts that frequently become targets once credential leaks like this one begin to cascade.

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.

Check your exposure
Horst Realty is one listing. Your email is probably in others.
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Report details & sourcing

Severity High
Disclosed November 15, 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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