Carlysle Engineering, Inc., an engineering or professional services firm, experienced an external system breach due to hacking on March 23, 2026, which was discovered on the same day. The company reported this incident to the Maine Attorney General, leading to consumer notifications on May 14, 2026.
The breach affected 156 individuals in total, including 1 Maine resident. The specific types of data compromised were not explicitly detailed beyond "Name or other personal identifier in combination with". It remains unclear whether Social Security numbers, medical information, or financial data were involved. Carlysle Engineering has offered 24 months of identity theft protection services through IDX, including CyberScan monitoring, a $1,000,000 insurance reimbursement policy, and fully managed identity theft recovery services.
While details of the breach have been disclosed through an Attorney General filing, additional information, such as the full notice to affected residents, has not been publicly found.