American Contractors Insurance Group, an insurance and risk management firm serving the construction industry, was listed by Ransomware.live on August 19, 2026. The listing attributed the suspected attack to the Storm ransomware group. A separate report said the attack may have occurred on August 16, 2026, but ACIG had not publicly confirmed the incident at the time of reporting.
The number of affected individuals and the types of information involved have not been publicly disclosed. No official breach notification or regulator filing identifying exposed SSNs, medical information, financial information, or other data was located. An attorney investigation was announced in connection with the reports, but no filed class action or named plaintiff was identified. Details may change if ACIG or a regulator issues a formal notice.