System, Network & Cybersecurity Administrator with a strong entrepreneurial background (NEOPC) and advanced technical support experience. I specialize in designing, implementing, and securing custom IT infrastructures, blending reliable system administration with offensive and defensive cybersecurity practices.
- Offensive & Defensive Security: Web Vulnerability Analysis (OWASP Top 10), Traffic Interception (Burp Suite, DevTools), Log Analysis & Intrusion Detection (Security Onion, Snort, AdGuard Home), Threat Modeling.
- Networks & Security: TCP/IP, VLAN, L2/L3 Routing, NAT, VPN, Firewalls (OPNsense, OpenWrt), IDS/IPS, Penetration Testing (Nmap, Metasploit), Forensics (Autopsy).
- Operating Systems: Windows (10/11), Windows Server 2022, macOS, Linux (Ubuntu, Kali, Parrot, Pi OS, FreeBSD), Hardened OS (Qubes OS, GrapheneOS).
- Servers & Virtualization: Active Directory, Proxmox, VMware, KVM, Docker, NAS, DNS Servers (Pi-hole), DHCP, VoIP/SIP.
- Hardware & Mobile Security: Custom ROMs (GrapheneOS, CrDroid), Kali NetHunter, Android Rooting, N1-N3 Hardware Diagnostics & Data Recovery.
- AI & Automation: Local LLM Integration (Ollama, LM Studio, RAG), Workflow Automation via APIs (n8n).
- TryHackMe: * Jr Penetration Tester (Sep 2026)
- CompTIA Pentest+ Path (Sep 2026)
- AI Security (Aug 2026)
- Pre Security (Aug 2026) | Cyber Security 101 (Mar 2025)
- Global Ranking: Top 1% on TryHackMe (Ranked #11262+) | Grade
[0xD][LEGEND]
- Founder & Systems Administrator @NEOPC: Providing tailored IT solutions, network security, OPNsense firewalls, self-hosted Docker infrastructures, and proactive 24/7 MSP management.
- Independent Security Research (Responsible Disclosure): Identified and ethically reported logical vulnerabilities (CWE-489, CWE-602, CWE-200) within global cybersecurity e-learning platforms, providing formal CVSS-classified technical reports.
- Incident Analysis & Home Lab Defense: Successfully detected and neutralized a prolonged 15-day brute-force attack on a home network via CPL using Security Onion and AdGuard Home, conducting full forensic investigations and reporting to authorities.
π« How to reach me:
- TryHackMe: Amonra5
- Mail: geforce2506@protonmail.com


