people worldwide

Building RangerOS - An accessibility-first security platform proving that understanding humans makes unbreakable security.

Combat medic mindset meets digital defense: assess, adapt, protect.

• 🔭 Master's Thesis: Integrating 4 cybersecurity courses into one unified platform

  • Penetration Testing + Digital Forensics + Blockchain Technology + Malware Analysis
  • RangerPlex: First student to combine all specializations in a working demo

• 🔗 RangerBlock: P2P blockchain network with phantom wallet system

  • Secure communications, file transfers, marketplace
  • 5-minute installation to full operational network
  • Privacy-first design with .ranger domains

• 🤖 AI Integration: Building with Claude, Gemini, and local Ollama (qwen2.5:72b, deepseek-r1:70b)

  • qCPU/qGPU virtual processor architecture (10K+ cores tested!)
  • Multi-model AI coordination for enhanced security analysis

• Cybersecurity: Kali Linux, Metasploit, Wireshark, Burp Suite, John the Ripper
• Blockchain Security: Smart contract auditing, consensus mechanisms, cryptographic protocols
• Digital Forensics: Evidence preservation, memory analysis, chain-of-custody
• Malware Analysis: Static/dynamic analysis, sandboxing, behavioral analysis
• AI/ML: PyTorch, TensorFlow, LLM integration for security automation
• Python: Advanced security tooling, automation, API development

Psychology → Cybersecurity

Understanding the human behind the keyboard makes better security. My psychology background gives me an edge in:

• Social engineering defense
• User behavior analysis
• Accessible security design
• Threat actor profiling
• Security awareness training

"If it happens in reality, why not with my computer?" - My development philosophy

• 🎖️ TryHackMe: Top 8% globally (rangersmyth) | Level 8 [0x8][HACKER]
• 🎓 University of Galway: MSc Cybersecurity (In Progress)
• 🎓 Bachelor's in Applied Psychology: Human behavior & cognitive science
• ⚔️ Battlefield Tactician: Top 0.04% BF2 globally (16,836/46M) | 750K+ strategic eliminations
• 🛡️ Combat Medic Background: Triage, rapid response, mission-first mindset

Cybersecurity & Blockchain: [](https://github.com/davidtkeane/ran gerblock) [](https://github.com/davidtkeane/r angerplex)

AI & Automation: [](https://github.com/davidtkeane/qc pu-system)

Productivity & Tools:

• 💼 Professional: david@icanhelp.ie
• 🎖️ iCanHelp Ltd: Building RangerOS for 1.3 billion people
• 💬 Ask me about: Cybersecurity, Psychology in Security, Blockchain, Accessibility, AI Integration
• 🌐 TryHackMe: rangersmyth

📊 My Skill Set

Cybersecurity 🔒 Tools & Frameworks: Penetration Testing: Nmap, Burp Suite, John the Ripper, Hashcat Digital Forensics: Autopsy, Volatility, FTK Imager Malware Analysis: Ghidra, IDA Pro, Cuckoo Sandbox Network Security: Wireshark, tcpdump, Snort

Frontend

Backend & AI/ML Blockchain: Solidity, Web3.js, Smart Contracts Consensus Mechanisms, Cryptography P2P Networking, Distributed Systems

DevOps & Cloud

• How to prevent GitHub from suspending your cronjob based triggers
• How I built one of the top 20 most used Github Actions
• Show your latest dev.to posts automatically on your GitHub profile readme
• God Mode in browsers: document.designMode = "on"
• Skipping the Chrome "Your connection is not private" warning

• 🎯 I use tabs over spaces (always!)
• 🎖️ Former combat medic: "Assess, adapt, protect" applies to both lives and systems
• 🧠 7% dyslexic memory taught me to verify everything (perfect for security!)
• ♟️ Chess, battlefield tactics, and penetration testing use the same strategic thinking
• 🍀 Irish heritage meets Ranger mentality: stubborn problem-solving with a smile