About Sun Square
Sun Square provides independent consulting and specialized training in OT cybersecurity, open source compliance, and security assurance, focusing on critical infrastructure sectors such as oil and gas, transportation, energy, semiconductor, and maritime. The company empowers enterprises and government agencies to strengthen their cybersecurity resilience while ensuring full alignment with international standards and regulatory frameworks.
Our Unique Factor
We turn international standards into practical action by integrating global frameworks,
industry experience, and government insights with vendor-neutral expertise.
Our Strengths
- Comprehensive expertise in information security and industrial control systems across diverse industries
- Proven leadership in the development of ISA/IEC 62443 and SEMI E187 standards and certification frameworks
- Trusted partner to leading enterprises in oil & gas, energy, transportation, semiconductor, and maritime sectors
- Strong technical foundation built through extensive open source contributions to critical security platforms
- Full-spectrum cybersecurity services, providing end-to-end solutions from assessment to implementation and ongoing support
Meet Our Team
SZ Lin
OT/ACS Cybersecurity Advisor | Open Source Developer | Official ISA instructor
SZ is a seasoned expert in information security and industrial control systems. He brings comprehensive hands-on experience in industrial control network security (ISA/IEC 62443), Industrial Internet of Things (IIoT) security, and Secure Software Development Lifecycle (SSDLC), with proven expertise in critical infrastructure protection and cybersecurity implementation.
SZ has been participant in open source software and information security communities. He is an official Debian developer and continues to contribute to the maintenance and development of numerous renowned open-source software packages, including Ubuntu and Kali Linux.
He holds multiple international cybersecurity certifications, including CISSP, ISSAP, CCSP, CSSLP, CISM, CISA, GICSP (Gold), and ISA IEC 62443 Cybersecurity Expert. He has delivered technical presentations at major conferences such as CYBERSEC Taiwan, the ISA OT Cybersecurity Summit, and the ICS Cyber Security Conference in both the Asia Pacific region and the United States. His work focuses on advancing industrial control system cybersecurity standards and promoting their adoption across the industry.
Award
- 2025 SEMI 20 UNDER 40 Industry Contribution Award (2025 半導體新銳獎產業貢獻組)
- The Outstanding Contribution Award and Certificate of Merit from the Semiconductor Manufacturing Cybersecurity Consortium (SMCC) at SEMICON West 2025
