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 Public Reporting Shows
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.