high severity December 07, 2025 · 3 min read Unverified claim — what this is

Marta Montserrat Areny Guerrero ABOGADO Listed by Qilin Ransomware Group

If you are a customer of Marta Montserrat Areny Guerrero ABOGADO, here’s what is being claimed, and what it would mean for you.

Marta Montserrat Areny Guerrero ABOGADO was listed on the qilin ransomware leak site. The group claims to have stolen internal data.
— from Qilin’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.

Marta Montserrat Areny Guerrero ABOGADO Listed by Qilin Ransomware Group

On December 7, 2025, the law firm of Marta Montserrat Areny Guerrero ABOGADO appeared on the public leak site of the qilin ransomware group. The attackers claim to have stolen internal files during a ransomware incident and have listed the Spanish attorney as one of their victims.

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What Public Reporting Shows

Public reporting indicates the firm was added to the qilin leak site on December 7, 2025. The group states it exfiltrated internal data and is using the leak site to pressure the victim. Exact volume of records exposed remains undisclosed, and the specific types of documents have not been independently verified. Available reporting describes the listing as part of qilin’s standard double-extortion tactic: encrypt systems, steal files, then threaten public release unless a ransom is paid.

Why This Matters for You and Your Family

When a professional’s internal files are stolen, the ripple effects reach far beyond the office. Client records, correspondence, financial details, and personal information belonging to the attorney’s household can be exposed. If you or anyone in your family has worked with small legal practices, medical offices, or local professionals, your information may already sit inside similar stolen datasets. Credential leaks like this one frequently cascade into account takeovers on email, banking, and social media, turning one firm’s breach into months of headaches for ordinary families.

The Doxxing and Identity-Chain Risk

Ransomware operators rarely stop at posting a company name. Once internal files are public, threat actors and opportunistic criminals scan them for names, addresses, phone numbers, email accounts, and passwords. These pieces are then linked across dozens of other breaches to build complete identity profiles. A single leaked document can connect your work email to a personal gaming username, a child’s school account, or a family member’s social-media handle. The result is accelerated doxxing that can lead to harassment, identity theft, or targeted scams against you and your children.

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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 sample580 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.

Report details & sourcing

Attributed to Qilin · 2349 incidents tracked →

Severity High the filing does not enumerate what was exposed

Disclosed December 07, 2025

Last reviewed August 8, 2026

Affected Unconfirmed

By GalaxyWarden Threat Research · Editorial & sourcing standards

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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Qilin — 2349 incidents tracked

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