The sinobi ransomware group listed Advanced Security Systems on its data leak site on 2025-08-18. Country: US Sector: Technology Domains named: www.advancedsecuritysystems.com Claim as published on the leak site: Advanced Security Systems has been a leader in the security industry for over 45 years. It customs design, install and service: burglar and fire alarms, video surveillance, access control and home automation, controlling lights, thermostat, door locks and more all from the smart phone. It transmits fire and security alarm signals to its monitoring station in Eureka. Advanced Security offers the only local monitoring station on the Northcoast. It invested in building and staffing its own local central station instead of contracting with a third party out-of-the-area provider. Advanced Security has remained a family owned and operated alarm company since 1971.