Ja-Dong Koo

KSign Co., Ltd. is a holding company, which develops and sells information security solution software. Its business areas are Public Key Management, Secure Identity Management, and Secure Data Management. Public Key Management develops security solution for public authentication such as public key certificate. Secure Identity Management offers security solution for single sign-on; extranet access management; wired and wireless environment; and identity and access management. Secure Data Management develops security solution for database. The company was founded on November 12, 1999 and is headquartered in Seoul, South Korea.