FOR BETTER SECURITY
A Security Specialist Company Growing Together with Customers
CEO's Message
CEO's Message
Since our founding in 1999, we have become a leading company in domestic authentication and security technology, based on the fundamentals of security.
With an unwavering commitment, KSIGN is ready to take on the security challenges of the Fourth Industrial Revolution, welcoming the new era of ICT with a sincere attitude.

Greetings,
This is Koo Ja-Dong, CEO of KSIGN.
I would like to sincerely thank you for visiting the KSIGN website. Since our establishment in 1999, KSIGN
has been leading the domestic market in PKI-based authentication solutions and data encryption. As a
specialized information security company, we are committed to providing end-to-end digital security and
have continued to grow steadily over the years.
In today’s rapidly evolving digital landscape, personal data protection, data security, and authentication
systems have become more than just technologies—they are fundamental pillars of trust for both businesses
and society.
To stay ahead of the curve, KSIGN is preparing for the future of security by advancing our cryptographic
technologies, adopting Post-Quantum Cryptography (PQC), and addressing emerging challenges in cloud and
IoT security, AI for Security, and Security for AI.
We also offer customized solutions through an integrated security framework that spans authentication,
encryption, access control, mobile, cloud, and AI security. Our technical expertise and credibility have been
proven in national infrastructure protection, public procurement projects, and global certifications.
Moving forward, under our mission of "Protecting Trust Through Technology," Ksign will continue to pursue
technological innovation and ethical management to become an even more trusted security partner for our
customers and society.
We ask for your continued interest and support.
Thank you.
Greetings,
This is Choi Hyun-Cheol, CEO of KSIGN.
KSIGN has grown to become a leader in Korea’s security industry, thanks to
continuous technological innovation and the deep trust of our valued customers.
However, we are well aware that in an era of rapid change and technological
advancement, relying solely on past approaches is no longer enough to prepare for
the fierce competition ahead.
Now, KSIGN is gearing up for a new leap forward—responding swiftly and flexibly to
the evolving digital environment, with a focus on the most innovative technologies.
A company where each day’s passion and dreams build a happier future—this is the
KSIGN we envision. We kindly ask for your continued support and encouragement as
we move forward on this journey.
Thank you.
