cmcconstruct.com Listed by lockbit5 Ransomware Group: Ransomware Claim — What’s Alleged & What To Do
cmcconstruct.com was listed on February 14, 2026 by the LockBit5 ransomware group, which claims to have exfiltrated internal files. Individuals who have interacted with the company should review any communications or accounts they hold with it and change passwords or enable additional security measures where appropriate.
cmcconstruct.com, the online presence of construction firm Chamberlain & McCreery, was listed on February 14, 2026, by the ransomware group lockbit5. The listing states that internal files were exfiltrated during a ransomware attack. No confirmed count of affected individuals has been released, and the organization has not issued a public statement detailing the scope or verifying the claims.
The incident remains limited to the group’s assertion on its leak site. No independent confirmation of data volume, encryption status, or subsequent distribution has been reported.
Inside the incident
The only public record is the February 14, 2026 listing. It asserts that files were taken from cmcconstruct.com systems but provides no timeline for the intrusion, no description of the initial access method, and no indication of whether data was encrypted or merely copied. The number of records involved and whether any portion has been published remain undisclosed.
Who is lockbit5?
Lockbit5 is a ransomware operation that has conducted multiple campaigns against organizations worldwide. The group typically gains access through phishing, stolen credentials, or unpatched remote services, then deploys encryption while claiming to have copied data for leverage. Its listings on a dedicated site are presented as evidence of successful operations; however, such claims are not independently verified unless corroborated by the victim or law-enforcement findings.
About cmcconstruct.com
Chamberlain & McCreery operates as a general contractor focused on custom and energy-efficient construction projects. Firms in this sector routinely maintain records that include employee information, subcontractor agreements, project specifications, financial documentation, and client contact details. A compromise at such an organization can therefore expose data belonging to both staff and external parties connected to active or completed builds.
What data was at risk
The listing refers only to “internal files exfiltrated.” No inventory of file types, no confirmation of personal identifiers, and no statement on whether client or employee records were among the material have been released. Organizations of this type commonly store names, addresses, tax identifiers, payroll data, and project correspondence, yet the precise contents in this case stay unconfirmed.
The real-world impact
Individuals whose information appears in the exfiltrated files could face risks of identity misuse or targeted phishing. The construction firm itself may encounter operational disruption, regulatory inquiries, or loss of client confidence. Because the scale of exposure is unknown, the extent of these consequences cannot yet be quantified.
What to do if you're exposed
Anyone who has worked with Chamberlain & McCreery or who suspects their details may be involved should monitor accounts for unusual activity and consider placing fraud alerts with credit bureaus. A free exposure scan of an email address against known breach repositories can indicate whether the address has appeared in previously published data sets.
- Change passwords for any accounts linked to the organization and enable multi-factor authentication.
- Review bank and credit statements for unauthorized transactions.
- Contact the firm directly for any official notification it may issue.
AICompiled with AI assistance from public sources and published under our editorial standards.
How this breach connects
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Publicly posted by lockbit5 — 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.