Big Horn Plastering of Colorado, Inc. Listed by conti Ransomware Group: Ransomware Claim — What’s Alleged & What To Do
The Big Horn Plastering of Colorado, Inc. Listed by conti Ransomware Group (reported April 14, 2022) is an unverified claim; the data involved is undisclosed belonging to roughly unknown people. If you have an account with them, your information may now be circulating on the open web and with data brokers. Here’s exactly what happened, how to check if you were affected, and what to do next.
What happened
The incident came to public notice when the organization was added to the Conti group’s leak site on April 14, 2022. According to the listing, the group claims to have exfiltrated internal files during a ransomware attack. No further details on the timing of the intrusion, the volume of data, or the method of initial access have been released by either the company or the threat actor. The number of individuals whose information may be involved is not known.
Who is conti?
Conti was a ransomware operation active from at least 2020 through mid-2022. The group followed a double-extortion model in which it encrypted systems and also copied data before demanding payment. When victims refused to pay, the group published portions of the stolen material on a dedicated leak site. Conti was responsible for numerous incidents against organizations in North America and Europe and was publicly linked to other criminal infrastructure before its infrastructure was disrupted in 2022.
About Big Horn Plastering of Colorado, Inc.
Big Horn Plastering of Colorado, Inc. is a construction-services firm based in Colorado that performs plastering and related finishing work on commercial and residential projects. Companies of this type routinely maintain records on current and former employees, subcontractors, clients, project specifications, and financial transactions. A breach at such a firm can therefore involve both personal identifiers and business information that is not otherwise public.
What was likely exposed
The only information released states that internal files were exfiltrated. The exact categories of data contained in those files have not been disclosed. Organizations in the construction sector commonly store employee tax forms, payroll records, client contracts, insurance documentation, and project correspondence. Without confirmation from the company or an official notification, it is not possible to determine whether any of these record types were among the material taken.
Why it matters
Exposure of internal business files can create downstream risks for individuals whose personal details appear in those records, including potential misuse for identity-related fraud or targeted scams. For the organization, the incident may complicate relationships with clients and insurers and may require extended effort to restore systems and review security controls. Because the scale of the data remains unknown, the full scope of consequences cannot yet be assessed.
If your data was in this claimed breach
Individuals who believe their information may have been involved should review recent account statements and credit reports for unusual activity. Enabling multi-factor authentication on important accounts and using unique passwords reduce the chance that exposed credentials can be reused elsewhere. Free exposure-scanning services that check email addresses against known breach data can provide an initial indication of whether an address has appeared in past incidents.
AICompiled with AI assistance from public sources and published under our editorial standards.
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Publicly posted by conti — unverified claim, pending independent verification
Breach listings — particularly those originating from ransomware or leak sites — are third-party claims that may be unverified, incomplete, or inaccurate. A listing does not by itself confirm that a breach occurred or that any specific data was exposed. Severity is an automated assessment, not a definitive rating. Verification status is shown where available.
Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.