The akira ransomware group listed Carlson Building Maintenance on its data leak site on 2025-10-10. Sector: Professional Services Domains named: carlsonbuildin.com Claim as published on the leak site: Carlson Building Maintenance specializes in commercial cleaning s ervices throughout the Midwest, offering a variety of solutions i ncluding general cleaning, hard floor care, carpet cleaning, and specialty services. They serve diverse industries such as retail, grocery, schools, and warehouses, tailoring their cleaning progr ams to meet the specific needs of each facility. We are ready to upload more than 20GB of there data. There are lo ts of essential corporate documents such as: financial data (audi t, payment details,financial reports, invoices), employees and cu stomers information (passports, driver's licenses, emails, phones ), confidential information and other documents with personal inf ormation.