HVAC contractor Mechanical Systems & Services reports incident exposing personal data
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Mechanical Systems & Services, Inc. (MSS), a Charlotte-based construction and renovation company, is reporting a data security incident that may have compromised the sensitive personal information of an undetermined number of individuals. The company specializes in HVAC services, mechanical design and construction, security systems, building automation and controls, and energy management.
The breach exposed personal identifiable data:
- Name
- Social Security number
The nature of the attack, timing or number of affected individuals has not been disclosed.
On November 19, 2025, MSS began the process of notifying impacted individuals through mail. MSS is offering all affected individuals complimentary credit monitoring services for a period of 24 months at no cost.
