The International Organization for Standardization (ISO) is an international organization whose mission is to promote international trade through the standardization of facilities and activities associated with service goods, and to enhance cooperation in the fields of technology, science, and economic activities..

ISO 27001 certification is an international standard that specifies the requirements for an information security management system, which companies must systematically manage to protect the information of stakeholders such as employees and customers.

In 2024, Hyosung Heavy Industries newly obtained ISO 27001:2022 certification for its headquarters and Changwon plant.

The International Electrotechnical Commission (IEC) is an international organization that develops and publishes international standards for electrical, electronic, and related technologies. IEC 62443 is a series of international standards for the security of industrial automation and control systems (IACS), and IEC 62443 4-1 specifically sets out the requirements for a secure product development lifecycle.

Hyosung Heavy Industries established a systematic secure development framework for a wide range of power equipment products incorporating communication and control functions, including STATCOM, HVDC, and ESS, and obtained IEC 62443 4-1 certification in February 2026.