CommSquare Co., Ltd. Obtains International ISMS (ISO/IEC 27001) and Cloud Security (ISO/IEC 27017) Certifications Simultaneously

CommSquare Co., Ltd. (Headquarters: Chuo-ku, Tokyo; Representative Director and Chairman: Yasushi Uejima) is pleased to announce that it has obtained the international standard for Information Security Management Systems (ISMS), ISO/IEC 27001, and the international standard for cloud security, ISO/IEC 27017.

### Background and Purpose CommSquare has long been involved in the research, development, operation, and implementation support of various systems related to telephony technology and IT infrastructure.

In recent years, with the promotion of digital transformation (DX) in enterprises, the use of cloud services and the demand for advanced information security measures have been increasing. Under these circumstances, to continue providing safe products and services that customers can use with peace of mind, we have been working to build and strengthen an information security management system based on world-standard ISO criteria.

After a rigorous stage 2 audit by a third-party organization, our information security and cloud security management systems were recognized as meeting international certification standards (ISO), leading to this certification.

### Overview of Certification Registration **ISMS Certification** - **Registered Name and Location:** CommSquare Co., Ltd. (1-3-1 Ginza, Chuo-ku, Tokyo) - **Scope of Audit/Registration:** 1. Provision of telephony services 2. Provision of IT infrastructure monitoring and operation solutions 3. Research, design, development, operation, and implementation support of systems - **Applied Standard:** JIS Q 27001:2025 (ISO/IEC 27001:2022+Amd 1:2024) - **Registration Number:** JMAQA-S279 - **Registration Date & Expiry:** March 23, 2026 – March 22, 2029

**ISMS Cloud Security Certification** - **Registered Name and Location:** CommSquare Co., Ltd. (1-3-1 Ginza, Chuo-ku, Tokyo) - **Scope of Audit/Registration:** - **Cloud Service Provider:** 1. Telephony Solutions "VoiceX Family" (VoiceX, Call Tracker, Call Reach, VoiceX AI) 2. IT Infrastructure Monitoring/Operation Solutions "PatrolClarice Family" (PatrolClarice, Robostein, AlertCall) - **Cloud Service Customer:** 1. AWS 2. Azure OpenAI Service - **Applied Standard:** JIP-ISMS517-1.0 - **Registration Number:** JMAQA-C054 - **Registration Date & Expiry:** March 23, 2026 – March 22, 2029

### Future Outlook Taking this certification as an opportunity, CommSquare will continue to maintain and improve its information security management system based on ISO standards, aiming to be a company that is even more trusted by customers and business partners. Furthermore, we will strive to safely utilize the latest cloud technologies, including AI, to provide world-class, safe, and high-quality solutions.