- Information Security Diagnosis Cunsultant, Level A, Certification No. ISD_C_18_0001, 15 Oct. 2018.
- Specialist in Information Protection application Ability, Level A, Certificate No. IPA_C1_18_0001, 29 MAY 2018.
- National Technical Qualification in Engineer Information Processing, Certificate No. 84307004484N, Human Resources Development Service of Korea, Dec. 03. 1984.
- National Technical Qualification in Engineer Computer System Application, Certificate No. 86207010404F, Human Resources Development Service of Korea, Dec. 01. 1986
- Chief Information Security Officer/Certified of Qualification, Certificate No : CISO_C_18_0031, 27 DEC 2018