Ryan Zagrodnik
@thel0singedge.bsky.social
Legal Criminal | Electronics Enthusiast | Virtual Commercial Airline Pilot | Dog & Cats Rescuer | Cofounder http://dc608.org
Check out my latest blog post blog.shellntel.com/p/def-con-33...
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.
blog.shellntel.com
August 28, 2025 at 2:48 PM
Check out my latest blog post blog.shellntel.com/p/def-con-33...
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: wigle.net/contest/DC33
#WiGLE #WWWD #cybersecurity #wardriving
I’ll be wardriving the Madison isthmus – campus, Capitol, State St, and everything in between.
APs beware. Logs incoming. 📡🚗💥
Join the hunt: wigle.net/contest/DC33
#WiGLE #WWWD #cybersecurity #wardriving
July 22, 2025 at 1:57 PM
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: wigle.net/contest/DC33
#WiGLE #WWWD #cybersecurity #wardriving
I’ll be wardriving the Madison isthmus – campus, Capitol, State St, and everything in between.
APs beware. Logs incoming. 📡🚗💥
Join the hunt: 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.
www.pynt.io/blog/llm-sec...
www.pynt.io/blog/llm-sec...
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.
www.pynt.io
July 16, 2025 at 4:03 PM
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.
www.pynt.io/blog/llm-sec...
www.pynt.io/blog/llm-sec...
Check out my latest blog blog.shellntel.com/p/building-a...
Building a Meshtastic Node
Encrypted Messaging for the Apocalypse (or Your Next Camping Trip)
blog.shellntel.com
May 7, 2025 at 3:46 PM
Check out my latest blog blog.shellntel.com/p/building-a...
Don't scan those QR codes cyberscoop.com/russia-threa...
Russia-aligned threat groups dupe Ukrainian targets via Signal
Google researchers say multiple Russian state threat groups have conducted remote phishing operations to target and compromise Signal accounts.
cyberscoop.com
February 27, 2025 at 2:36 PM
Don't scan those QR codes cyberscoop.com/russia-threa...
Wrote a blog on building a Bjorn. blog.shellntel.com/p/building-a...
Building a Bjorn
Learn How to Build, Configure, and Connect to a Raspberry Pi Zero 2 Based Network Scanning and Offensive Security Tool
blog.shellntel.com
February 11, 2025 at 3:28 PM
Wrote a blog on building a Bjorn. blog.shellntel.com/p/building-a...
Some nice phishing templates www.microsoft.com/en-us/downlo...
Download Microsoft Entra end-user rollout templates and materials from Official Microsoft Download Center
Use these customizable posters, training, stickers, and email templates to roll out Azure Active Directory features in your organization
www.microsoft.com
February 7, 2025 at 3:22 PM
Some nice phishing templates www.microsoft.com/en-us/downlo...
Microsoft is enabling EPA by default for ADCS as well as LDAP msrc.microsoft.com/blog/2024/12...
Mitigating NTLM Relay Attacks by Default | MSRC Blog
| Microsoft Security Response Center
California Consumer Privacy Act (CCPA) Opt-Out Icon
Mitigating NTLM Relay Attacks by Default
msrc.microsoft.com
December 10, 2024 at 6:39 PM
Microsoft is enabling EPA by default for ADCS as well as LDAP msrc.microsoft.com/blog/2024/12...