2026.01 - Present : Director, Digital Threat Response Center / Head of Research Institute, Plainbit Co., Ltd.

2026.06 - 2026.09 : Member, Public-Private Joint Investigation Team (TVING Incident)

2025.09 - 2025.12 : Member, Public-Private Joint Investigation Team (KT Incident)

2025.12 - Present : Project Evaluation Committee Member, National IT Industry Promotion Agency (NIPA)

2014.03 - Present : Director, Cyber Threat Response Center (CTRC), Plainbit Co., Ltd.

2024.09 - Present : Member, Working-level Consultative Group on the Analysis of Malicious Code of the Financial Security Agency

2024.06 - Present : Member, Korea Internet & Security Agency (KISA) - Domestic Cyber Threat Intelligence Committee

2023.05 - Present : Member, Gyeonggi Nambu Provincial Police Agency – Cyber Working Group of Security Investigation Department

2022.09 - 2025.06 : Adjunct Professor, Department of Police Administration, Dongguk University

2022.07 - Present : IT/Security Advisor, SBS TV Program - <그것이 알고싶다(Unanswered Questions)>

2022.06 - 2023.12 : Mentor, K-Shield Jr. Incident Response Course

2022.04 - Present : Technical Expert, Korean National Police Agency National Security Investigation Bureau (Cybersecurity Hacking Research Group)

2020.03 - Present : Member, Korea Internet & Security Agency (KISA) Cybersecurity Specialist Group

2019.06 - 2023.12 : Instructor, K-Shield Incident Response Course

2019.04 - 2019.07 : Advisor, Generated exam questions, Financial Security Institute FIESTA 2019

2018.09 - 2019.05 : Assessor, Generated exam questions, Korean Institute of Forensic Sciences - “Find the Digital Criminal” Contest

2018.09 - 2019.05 : Operator, Generated challenge problems, Digital Forensic Challenge (DFC)

2018.03 - 2018.06 : Adjunct Professor, Cyber Security Engineering, Konyang University

2014.04 - 2017.04 : Adjunct Professor, Korean Police Investigation Academy

2019.03 : Forensic (completed Master's degree course work), Sungkyunkwan University, General Graduate School

Engineer Information Processing

Digital Forensics Specialist Level 2

2026.09 : Commendation for Meritorious Service in Personal Information Protection (Preventive Measures)

2025.12 : Excellence Award, Project Research - KISA Cybersecurity Specialist Group

2025.10 : Letter of Appreciation (Chief of the Seoul Metropolitan Police) - Seoul Metropolitan Police Agency

2024.10 : Letter of Appreciation (Chief of the Gyeongsangbuk-do Provincial Police) - Gyeongsangbuk-do Provincial Police Agency

2023.05 : Letter of Appreciation (Chief of the National Police Agency) - Korean National Police Agency

2023.05 : Letter of Appreciation (Chief of Gyeonggi Nambu Provincial Police) - Gyeonggi Nambu Provincial Police Agency

2015.12 : Special Award, Industry Security Research Paper Contest - Korean Association for Industrial Security

2014.11 : Participation Prize, Digital Forensic Challenge - Korean Digital Forensics Society

2013.12 : Gold Medal, “Find the Digital Criminal” Contest - Korean Institute of Forensic Sciences

2013.09 : First Prize, Financial Security Research Paper Contest - Financial Security Research Institute

2013.04 : Honorary Award, CodeGate - CodeGate Organizing Committee

2013.12 : “The World of Digital Forensics”

Toward Next-Generation DFIR Triage - E01 Imaging of Selectively Collected Artifacts - DFRWS(2026)

Analysis of Email Spoofing Attack Scenarios Based on the IMAP APPEND Command and Countermeasures - Korean Digital Forensics Society(2025)

TTPs & Threat Analysis of Virtual Asset Theft via Portal Site Phishing - Korea Internet & Security Agency(2025)

A Study on the anti-forensics data protection - Korea Industrial Property Protection Association(2015)

Forensics analysis using Microsoft Word document attribute information - Korean Digital Forensics Society(2014)

Prevention system proposal for Smishing through authentication and pre-authorization verification - Korea Information Security Society(2013)

A Study on the collection of forensics artifacts in public network construction equipment - Korean Digital Forensics Society(2013)

Proposals for institutional certification for smishing prevention and malicious application pre-verification system - Korea Institute of Finance Security(2013)