CHANGING established in 1998 as a professional information security company under Wistron Corporation, focuses on "information security" and "authentication of people, things, and IoT" as its core. Specializing in identity authentication and access management solutions, the company helps various industries create more secure and efficient online business processes, ensuring optimal protection and management of data and resources. From zero-trust digital credentials and tech-finance security solutions to robust security for IoT devices, CHANGING is dedicated to providing clients with effective security defenses, outstanding service quality, and seamless system scalability.
Our digital authentication solutions cover identity authentication and device authentication. We have integrated the concept of Zero Trust Architecture (ZTA) into practical applications and received certification from the Taiwan National Institute of Cyber Security in June 2022, aligning with the government's zero-trust identity authentication requirements.
In addition to identity authentication, we have a dedicated device authentication solution for IoT security.
Ensuring identity security is a critical aspect of zero trust. CHANGING identity authentication products are certified by international organizations like FIDO and OATH. They offer robust multiple authentication mechanisms and seamless integration with various applications.
CGTrust Zero Trust Solution
IDExpert Identity Authentication System
CGFIDO Passwordless Authentication System
CIoT Security Solution
Our solutions are deployed across industries and government agencies, providing proactive defense mechanisms to ensure information security. We continuously enhance the depth and breadth of our cybersecurity defenses.

Digital security in the financial industry is a critical concern that cannot be ignored. At CHANGING, we provide essential security services to financial institutions, starting with a strong foundation in Public Key Infrastructure (PKI) technology. This ensures the secure development of digital finance and extends our services to government agencies and various industries.
Financial Certificate (FXML), Government/Individual Certificate (MOICA), Healthcare Certificate (HCA), and Enterprise Self-Signed Certificate, among others, are certification systems for various domains.
CA/RA Certificate Management/Registration System
Secure Server Key Management System
CodeSign System
HSM Hardware Security Module
We provide extensive cybersecurity safeguards to assist clients in staying well-equipped to address the security challenges of digital finance.
CHANGING offers resilient digital transformation solutions that integrate AI technologies. Our offerings include electronic contracts, electronic signatures, and comprehensive lifecycle management for digital documents. By leveraging PKI, AI-OCR, and image processing, we enhance security, efficiency, and user experience. Our solutions combine strong data security measures to safeguard digital information.
FastSIGN Electronic Signature System
1zSIGN Handwritten Electronic Signature
FastID Smart ID / Credit Card Recognition System
FastDOC Smart Document Recognition System
CIS Clinic Image System
DIMS Document Image Management System
These solutions drive digital transformation, reducing costs and streamlining document management for businesses. They enable financial technology, smart healthcare, and mobile office solutions, in line with ESG principles.
We have extended our expertise in human authentication, developed over many years, to object authentication. By leveraging our accumulated secure chip technology, we continuously develop technologies applicable to device authentication. These technologies are widely applied in various IoT fields, including semiconductor manufacturing, smart grids, Internet of Vehicles (IoV), and smart homes. Tailored solutions are provided for different stages of a device's lifecycle during production.
Our IoT security solutions not only comply with international IoT security standards but also meet the five key needs of our customers: