HTL systems security assignment
Anti Hardening
A distributed systems security writeup covering Kubernetes, PostgreSQL, JWT authentication, secrets, backups, Tailscale, and application hardening.
It-Sec
HTL networking and security writeup
WLAN Setup and Security
Wireless network configuration and security analysis covering DHCP, client isolation, WPA handshakes, and Wireshark.
HTL networking writeup
Capturing Network Traffic
Packet capture and traffic analysis using Wireshark, RouterOS port mirroring, ICMP, HTTP, and VoIP.
HTL Windows security writeup
Security Testing a Windows Server
Windows Server security testing with SMB and RDP analysis, Wireshark, hardening controls, and credential-security tooling.
HTL Windows Server writeup
Secure Data Storage on Windows Server
Windows Server storage security using PowerShell automation, BitLocker, permissions, SMB shares, and network access controls.
HTL security writeup · CTF
Baby's First CTF
A documented CTF walkthrough covering network discovery, service enumeration, credential attacks, and Linux exploitation.
HTL Linux security writeup
Hardening a Linux Webserver
Hardening a containerized Linux web server with SSH keys, NGINX, authentication, TLS, and local DNS.
HTL Linux security writeup
GNU/Linux - Securing Access
Linux access control using sudo policies, password policy, SSH hardening, PAM, and one-time passwords.
HTL Linux administration writeup
GNU/Linux - Setting up a multi-user environment
Building and securing a multi-user Linux environment with containers, permissions, networking, and SSH keys.
HTL IT security writeup
Cryptography
A practical introduction to symmetric and asymmetric encryption, hashing, integrity checks, and OpenSSL.