📢 [2024/10] Base64 proceeds to the Whitehat Contest KOREA 2024 final

🏆 [2024/09] cat /flag wins the Korea Army Hacking Defense Competition 2024

Prize of Chief of Staff of the Army of the Republic of Korea ⭐⭐⭐⭐ 

🏆 [2024/09] 곤뇽 wins 3rd prize in the Cyber Conflict Exercise 2024

📢 [2024/08] 곤뇽 proceeds to the Cyber Conflict Exercise 2024 final

📢 [2024/08] 😁(:grin:) proceeds to the SCAN 2024 CTF final

📝 [2024/06] "Integrity check value, are you a spy? Information leakage attack on archive formats" is accepted to IEEE Access

📝 [2024/04] "volGPT: Evaluation on triaging ransomware process in memory forensics with Large Language Model" is accepted to DFRWS USA 2024

🏆 [2023/12] Win the 9th Digital Scene Investigation Challenge

Prize of Prosecutor General (Supreme Prosecutors' Office of the Republic of Korea)

📢 [2023/09] 로카우스와이파이트래픽도둑 proceeds to the Whitehat Contest KOREA 2023 final

📢 [2023/06] 동현아전역하자 proceeds to the Cyber Conflict Exercise 2023 final

🏆🏫 [2023/03] My pupil wins 2nd prize in the Whitehat Contest's Scenario Competition 2023

Prize of Cyber Operations Commander of the Republic of Korea ⭐⭐ 

📖 [2022/12] 구름 위에서 배우는 프로그래밍 기초 2nd Edition is published

🏆 [2022/12] 텅장 wins 2nd prize in the KDFS Digital Forensic Challenge

Prize of Commissioner General (Chief of Korean National Police Agency)

🏆 [2022/12] Win 2nd prize in the 8th Digital Scene Investigation Challenge

📝 [2022/08] "NULL Byte Injection: Anti-Forensic Technique for Data Hiding in FAT32 File System" is accepted to ACM MobiHoc 2022: WoNEXT

🏆🏫 [2022/10] A team of my pupils wins the Whitehat Contest KOREA 2022

Prize of Cyber Operations Commander of the Republic of Korea ⭐

📢 [2022/04] Participate in the Locked Shields 2022

🏆 [2021/11] DogeCoin wins the Digital Forensic Challenge 2021

Prize of Director of National Intelligence Service of the Republic of Korea

📢 [2021/11] 2 good news for winning the prize

🏆 | 1. 육군띄어쓰기We띄어쓰기해커 wins 3rd prize in the Whitehat Contest KOREA 2021

Prize of Cyber Operations Commander of the Republic of Korea ⭐

🏆🏫 | 2. A team of my pupils wins the Whitehat Contest KOREA 2021

Prize of Cyber Operations Commander of the Republic of Korea ⭐

🏆 [2021/10] 육사컴과 wins the Korea Army Hacking Defense Competition 2021

Prize of Chief of Staff of the Army of the Republic of Korea ⭐⭐⭐⭐

📢 [2021/10] 미필들 proceeds to the Cyber Conflict Exercise 2021 final

🏆 [2020/07] pro_patria wins 2nd prize in the HMCTF 2020

🏆 [2019/05] Win 3rd place in the 6th Digital Scene Investigation Challenge

🏆 [2018/11] SecurityFirst1 wins 2nd prize in the O-Prize Idea Contest

Title: Collecting and detecting system for malware distributed to torrents and blog attachments

📜 [2018/08] Detection of replay attack traffic in ICS network is accepted to ACIT '18 

🏆 [2017/11] SecurityFirst wins 2nd prize in the Codefest CTF 2017

🏆 [2017/03] SecurityFirst wins the Korea Army Hacking Defense Competition 2017
Prize of Chief of Staff of the Army of the Republic of Korea ⭐⭐⭐⭐