Carlson Building Maintenance Inc. Reports Data Incident

Carlson Building Maintenance Inc. officially reported a data security incident to the Illinois Attorney General on March 9, 2026. The company’s public filing confirms that unauthorized access to its internal systems has occurred, prompting an ongoing investigation into the scope of the incident.

For individuals who have received a direct notification letter from Carlson Building Maintenance Inc., this means your personal information may have been exposed. The purpose of such a notice is to inform affected parties about the incident and provide guidance on necessary protective steps.

At this time, the public filing does not specify the types of personal information that were involved in this incident. Carlson Building Maintenance Inc. is currently investigating the full nature and extent of the unauthorized access to determine exactly what data was compromised and by whom.

If you received a notification, it is important to remain vigilant. We recommend reviewing your financial account statements and credit reports for any suspicious activity or unrecognized transactions. You should also consider placing a fraud alert or credit freeze with credit reporting agencies if recommended in your notification.

Additionally, be cautious of any unsolicited communications, particularly those that request personal details. Always ensure all your online accounts use strong, unique passwords and enable multi-factor authentication whenever it is available for an added layer of security.