Cybersecurity educator, Cisco Instructor, and Front-End Developer focused on networking, ethical hacking, digital forensics, and modern web technologies.
I teach cybersecurity and networking while building hands-on learning resources focused on GNU/Linux, Cisco IOS, ethical hacking, digital forensics, and web development.
Cisco Networking Academy Instructor
REUF Facilitator · SENCE
wh01s17@pwned:~$ echo $PROFILE
ROLE : Cisco Networking Academy Instructor
TEACHING : Cybersecurity & Digital Forensics
DEVELOPMENT : Front-End Developer
SECURITY : Ethical Hacking
NETWORKING : Cisco Networking
MODE : CTF Player
SPECIALTY : Pentesting
wh01s17@pwned:~$ tools --grouped
RECON : Nmap, Gobuster, Dirb, ffuf
WEB TESTING : Burp Suite
CREDENTIALS : Hydra, John the Ripper, Hashcat
EXPLOITATION : Metasploit
NETWORK : tcpdump, Wireshark
FORENSICS : Volatility, Autopsy
REVERSING : Ghidra
wh01s17@pwned:~$ echo $PLATFORMS
HackMyVM
VulnHub
Vulnyx
wh01s17@pwned:~$ sudo rm -rf / --no-preserve-root
permission denied: self-destruct disabled
A free Spanish-language networking book with 800+ pages across 17 modules, covering physical media, Ethernet, IPv4/IPv6, routing, network services, and security fundamentals. Includes original diagrams, Cisco IOS configuration examples, a command reference, and a glossary.
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A static-generated knowledge base with searchable CTF writeups, vulnerability notes, technical articles, RSS, and per-route SEO.
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An open interactive learning platform for GNU/Linux, Git, Cisco IOS, and cybersecurity with guided terminal exercises, pentesting labs, instant feedback, XP, achievements, and community rankings.
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A workspace for documenting cybersecurity engagements against real methodologies (NIST SP 800-86, 800-61r3, 800-115, OWASP WSTG, MITRE ATT&CK) with an append-only evidence chain of custody, findings, and immutable sealed reports exported to PDF, Markdown, and LaTeX.
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A TIDAL client for the Linux terminal with a Winamp-style interface: hi-res playback through mpv, library browsing and search, synced lyrics, a 10-band equalizer, album art, a real FFT spectrum analyzer, and MPRIS desktop integration.
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A desktop Obsidian plugin that brings Claude Code, Codex, and other coding agents into your notes. Includes tabbed conversations, note context, image attachments, visible tool calls and diffs, interactive permissions, session history, and Markdown exports.
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If my book, guides, CTF writeups, or open-source projects have helped you learn something or solve a problem, you can buy me a coffee. Your support helps me keep creating and sharing free educational resources. It's completely optional and always appreciated.
