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Ryan Zagrodnik

Ryan Zagrodnik

Ryan Zagrodnik, OSCP, CISSP, Sr. Penetration Tester

Building a Meshtastic Node
May 07, 2025

Building a Meshtastic Node

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

Ryan Zagrodnik
Ryan Zagrodnik
Building a Bjorn
Feb 11, 2025

Building a Bjorn

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

Ryan Zagrodnik
Ryan Zagrodnik
Attacks on Active Directory Certificate Services (AD CS) Explained – CypherCon 2024 Follow-up
Mar 17, 2024

Attacks on Active Directory Certificate Services (AD CS) Explained – CypherCon 2024 Follow-up

Ryan Zagrodnik
Ryan Zagrodnik
Wi-FiWi-Fi
+1+1
DEF CON 31 and Building A Wi-Fi Deauthentication Detector
Sep 05, 2023

DEF CON 31 and Building A Wi-Fi Deauthentication Detector

Ryan Zagrodnik
Ryan Zagrodnik
Initial AccessInitial Access
+2+2
Building a Pwnagotchi
May 15, 2020

Building a Pwnagotchi

Ryan Zagrodnik
Ryan Zagrodnik
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