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high severity January 31, 2025 · 3 min read Unverified claim — what this is

www.cmsg.cl Listed by ransomhub Ransomware Group

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

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

www.cmsg.cl Listed by ransomhub Ransomware Group

On January 31, 2025, the Chilean consulting firm CMSG appeared on the leak site of the ransomware group known as RansomHub. Internal files were allegedly exfiltrated during a ransomware attack, and the company’s data is now publicly listed for anyone to download.

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What's Publicly Reported from Reporting

Public reporting indicates that RansomHub added CMSG to its leak portal on that date. The exposed material consists of internal files stolen in the course of the ransomware operation. No confirmed total number of affected individuals has been released, but the nature of a consulting firm’s records means client contracts, employee information, financial documents, and correspondence are likely included. The ransomhub leak site, accessible via the provided onion link, continues to host the material as of the latest available information.

Why This Matters for You and Your Family

When a company like CMSG suffers a breach, the people whose information ends up in those files are ordinary clients, employees, contractors, and their families. Your name, address, national ID number, email, phone number, or payment details may now sit in an archive that anyone can download. Once that data leaves the company’s control, you lose the ability to prevent its spread. Criminals can combine it with other leaks to build a profile that leads to identity theft, loan fraud in your name, or targeted scams against your household.

Credential leaks like this one frequently cascade into account takeovers. If you or your children used an email address tied to CMSG for online services or gaming accounts, those credentials can be tested elsewhere within hours of the data appearing on a leak site.

The Doxxing and Identity-Chain Implications

Ransomware groups rarely stop at dumping random files. They publish data that reveals connections between email addresses, usernames, phone numbers, and real-world identities. A single leaked document can link your work email to a personal gaming handle your child uses, exposing the entire household to harassment or further extortion. Public reporting shows these datasets are quickly scraped by automated tools that map relationships across dozens of prior breaches. The result is a detailed identity chain that makes targeted doxxing far easier than in the past.

RansomHub’s Publicly Known Track Record

Public reporting attributes RansomHub with emerging in early 2024. The group has listed hundreds of organizations since then, including healthcare providers, manufacturers, and professional-services firms. Its typical playbook involves gaining initial access through phishing or exploited remote-desktop credentials, exfiltrating data before encrypting systems, and then pressuring victims with a short deadline before publishing samples or the full archive. Extortion demands are usually followed by threats to notify customers, regulators, or the media if payment is not made.

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.
  • Rotate any password you ever used at CMSG or related services, and switch on two-factor authentication through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next time your information surfaces you learn within hours instead of months.
  • Cover the household — DoxxScan family coverage includes dependents and children’s gaming accounts that often chain back to the same addresses and emails.
  • Let remediation specialists handle takedown requests across data brokers and leak sites for you while you focus on securing your own accounts.

The speed with which stolen data moves from a ransomware portal into criminal marketplaces leaves little room for delay. Starting protective steps now limits how far this claimed breach can reach your family. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, with household coverage that explicitly includes children’s gaming accounts vulnerable to the same credential-stuffing chains seen in incidents like CMSG.

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
www.cmsg.cl is one listing. Your email is probably in others.
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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed January 31, 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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