[Issuer Tk] Files Final S-1 Prospectus…

S1 Corp is a Korea-based company mainly engaged in the provision of security solutions. The Company operates its business through three segments. The Security System Service Segment is involved in the provision of installation service of security systems and integrated security services; distribution of safety products. The Building Management Service Segment is involved in the provision of real estate services, including the management of property and its revenue, real estate brokerage, consulting services, and others.The Call Center Service and Telemarketing Segment mainly accepts and processes complaints and requests from customers.