Ryan Zagrodnik

137 Followers
229 Following
39 Posts
InfoSec Guy

Step 1: Install an AI agent on a Raspberry Pi 5
Step 2: Hope it does not become a security incident
Step 3: Secure it properly

How I installed and hardened OpenClaw (Moltbot / Clawdbot):

https://blog.shellntel.com/p/installing-openclaw-moltbot-clawdbot-securely-on-a-raspberry-pi5

#AI #Cybersecurity #RaspberryPi

Installing OpenClaw (Moltbot/Clawdbot) Securely on a Raspberry Pi 5

Write Code While You Sleep

#_shellntel Cybersecurity Blog
Someone will remember you not for what you hacked, but how you shared it.
DEF CON 33 and Meshtastic on the LILYGO T-Deck Plus

Real-world testing with 2,000+ nodes at the world's largest hacker conference.

#_shellntel Blog
Just claimed my quadrant for #DEFCON33’s World War Drive!
I’ll be wardriving the Madison isthmus – campus, Capitol, State St, and everything in between.
APs beware. Logs incoming. 📡🚗💥
Join the hunt: https://wigle.net/contest/DC33
#WiGLE #WWWD #cybersecurity #wardriving
Used Claude's context resets + its own advice to bypass safeguards via email, leading to RCE through chained trust in Gmail, Claude Desktop, and a shell agent. Wild LLM composability flaw.
https://www.pynt.io/blog/llm-security-blogs/code-execution-through-email-how-i-used-claude-mcp-to-hack-itself
Code Execution Through Email: How I Used Claude to Hack

This is the story of how I used a Gmail message to trigger code execution through Claude Desktop, and how Claude itself (!) helped me plan the attack.

Meshtastic: 2 Months Later

Exploring Meshtastic: A personal journey from nerd project to practical off-grid communication tool for family, community, and emergency readiness.

#_shellntel Blog
Building a Meshtastic Node

Encrypted Messaging for the Apocalypse (or Your Next Camping Trip)

#_shellntel Blog
Wrote a blog on building a Bjorn. https://blog.shellntel.com/p/building-a-bjorn
Building a Bjorn

Learn How to Build, Configure, and Connect to a Raspberry Pi Zero 2 Based Network Scanning and Offensive Security Tool

#_shellntel Blog