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Ph.D. Candidate, Computer Science

• Completed Ph.D. coursework in Computer Science.
• Performed research on AI-based Network Intrusion Detection.
• Performed research on AI-based Malware Analysis, with a focus on document-based malware.

Master of Science (MS), Department of Computer and Software

Bachelor of Engineering (BE), Computer Engineering

Security Researcher

• Collected and analyzed security data from cloud infrastructure (AWS).
• Developed and implemented a large-scale security log data processing system using Python3, ELK Stack, and WAZUH open-source.
• Investigated security technologies based on Machine Learning and Deep Learning and co-authored academic research papers.

Information Security Engineer

• Developed network vulnerability assessment tools using Python.
• Operated and analyzed logs for Data Loss Prevention (DLP) security solutions.
• Analyzed and responded to security incidents for the Ministry of Education Cyber Security Center (ECSC).

AI Research Engineer

• Conducted AI research projects related to AI interview software.
• Developed video data crawling tools for training facial expression analysis models (Python3, BeautifulSoup4, YouTube_DL).
• Developed preprocessing modules for training datasets (OpenCV, ffmpeg, pysrt, mtcnn).
• Implemented encryption and decryption modules to protect collected video data (Python, SHA256).
• Authored technical research proposals and project reports.

Student Researcher

• Conducted a research project on classifying normal and abnormal users using network traffic data and machine learning algorithms.
• Developed feature extraction and preprocessing tools for network packet analysis.
• Performed binary classification of benign and malicious traffic using Weka.
• Explored authentication feasibility based on traffic classification for a National Security Research Institute (NSR) project.

Security Software Engineer

• Provided technical support for CA Identity Manager (Integrated Account Management Solution).
• Supported financial institution data centers (Kookmin Bank).
• Tested and validated Integrated Account Management (IAM) solutions.

Security Software Engineer

• Performed black-box functional testing of firewall software and analyzed network traffic using Wireshark.
• Reported software defects using Mantis and tested systems in VMware-based environments.
• Conducted firewall throughput measurements and performance evaluation for network security solutions.

Network Security Engineer

• Operated and managed Intrusion Prevention Systems (IPS), including packet and log analysis.
• Performed system installation and testing in Linux environments.

Cybersecurity (CERT Team)

• Served in the CERT Team (Computer Emergency Response Team), 2nd Operations Command.
• Performed network traffic monitoring and APC (AhnLab Policy Center) antivirus monitoring.
• Conducted Information Operations Condition (Infocon) procedures.