M. B. Kahn Construction Co. was listed on ransomware.live as a victim of the Coinbase Cartel group, with an attack date of 2026-08-01. The listing is reports-only and no official company, regulator, or court filing was found in the sources provided.
The available source does not disclose any confirmed data types, an affected individual count, regulator notice, or consumer notice. The company is described in the ingested record as a U.S.-based general contracting and construction management firm headquartered in Columbia, South Carolina.
Further details about the scope of the incident may emerge later. Based on the sources provided, the breach has not been publicly confirmed by the company or a regulator.