- My name is Jeong HaeJun / 정해준 , AKA(Also Known As) GhostUser / 유령회원.
- I live in Anyang-si, Gyeonggi-do, South Korea
- Hardware & Software Engineer/Developer, Confidential Company.
- Undergraduate Researcher, Kongju National University / Data Communication Lab
- Student, of Kongju National University / Department of Information&Communication Engineering.
- Student, School(s) in Seongnam-si
- Bulgok High School, Bundang-gu
- Chongsol Middle School, Bundang-gu (Closed in 2025.01 by Seongnam Office of Education)
- Electrical Hardware
- Verilog HDL(FPGA)
- Circuit Design
- Workstation / Server Computer Hardware
- Mobile Phone Hardware
- Wired/Wireless network.
- MikroTik RouterOS / Cloud Hosted Router
- Software
- Python3
- Scratch1.4
- System Management
- Virtualization
- Vmware ESXi 6.X
- Data Storage
- Synology & Xpenology
- Virtualization
- 3D-Printers
- FFF (Prusa i3)
- SLA (Anycubic PHOTON series)
- SECURITY (Only field where KISA(한국인터넷진흥원)Denied to provide/support protection.)
- Supply-chain attack to outdated software and firmware.
- Supply-chain attack to Network Infrastructure Devices.
- Discord : GhostUser#2863
- e-mail : admin@nonaver.com
- Website : http://imholic.com
- Telegram : @wjdgowns77
- MATRIX : @ghostuser2863:matrix.org
- SIP URL : Coming Soon....
- Phone Number : +82 10 3046 2119
- KakaoTalk is Deprecated.