McDermott Center dba Haymarket Center

McDermott + Bull notified the NH Attorney General of a cyber incident discovered on May 18, 2025, involving unauthorized access to an employee email account. The incident likely exposed one NH resident's name and SSN. MB engaged third-party specialists, secured its network, and sent notices offering 12 months of credit monitoring.

McDermott International, Ltd is a global provider of engineering and construction solutions to the energy industry. Operating in over 54 countries, McDermott's locally-focused and globally-integrated resources include more than 40,000 employees, a diversified fleet of specialty marine construction vessels and fabrication facilities around the world. Incorporated in Bermuda, it is headquartered in the Energy Corridor area of Houston, Texas.

McDermott Center dba Haymarket Center reported a data breach to the Indiana Attorney General. The breach occurred on 2020-10-13 and was reported on 2021-02-01. 10 Indiana residents were affected. 431 individuals affected in total.