// hello, world
Adeyinka Adejumo
_Network Engineer & Penetration Tester_
Building secure systems. Breaking insecure ones.
// about
Who I Am
I'm a Computer Science & Engineering student at OAU. My work sits at the intersection of network engineering and offensive security — I design and harden network infrastructure by.
AltSchool Africa Cybersecurity Diploma — currently deep in network forensics and web application pentesting.
// skills
What I Work With
Languages
Networking
Security
Tools
Web
// projects
Things I've Built
Network Recon Toolkit
Automated Python recon tool for network enumeration. Wraps Nmap, integrates with the Shodan API, and outputs structured JSON reports.
CTF Writeups
Documented solutions to TryHackMe and HackTheBox challenges — covers web exploitation, privilege escalation, forensics, and OSINT.
Packet Analyser
CLI packet capture and analysis tool built on Scapy. Filters by protocol, reconstructs sessions, and flags unencrypted credentials in lab environments.
This Portfolio
Config-driven Next.js portfolio. All content lives in one file — adding a project means adding one object to an array.
// blog
Writing
// certifications
Credentials
AltSchool Africa
Cybersecurity Diploma
2024 — 2025
Comprehensive curriculum covering network security, web application pentesting, digital forensics, and incident response.
TryHackMe
Jr Penetration Tester
2024
Hands-on path covering web exploitation, privilege escalation, buffer overflows, and Active Directory attacks.
TryHackMe
Pre-Security
2023
Foundational concepts: networking basics, web fundamentals, Linux, and Windows essentials.
// contact