LAC Co., Ltd. engages in the provision of software services. It operates through the Security Solutions Service Business and Systems Integration segments. The Security Solutions Service Business segment provides information security consulting and education, system environment construction, website and server diagnosis, and operations monitoring service. The Systems Integration segment manages the design, development, maintenance, and Internet data center service of infrastructure, business application, and web application systems. The company was founded on October 1, 2007 and is headquartered in Tokyo, Japan.