EXPERIENCE
Josh Deen was a mathematics educator for 14 years before making the transition to Information Security. His security experience before TrustedSec was in vendor risk management, vulnerability management, security operations, identity management, and cloud security. While working at TrustedSec, Josh has been involved in purple team engagements and Project Impede, as well as leading external and internal penetration tests.
EDUCATION & CERTIFICATIONS
- Bachelor of Arts, Economics, the University of Illinois at Urbana-Champaign
- Master of Arts, Mathematics Education, National Louis University
- CompTIA Security+
- GIAC Certified Penetration Tester (GPEN)
PASSION FOR SECURITY
Josh became interested in Information Security as a mathematics teacher. Josh realized that his unique ability to explain difficult concepts to varied audiences and his dedication to doing the right thing for the right reasons positioned him perfectly for a role in Information Security. Josh’s passion for security is displayed by his dedication to helping others understand the why behind doing the right thing, thus helping organizations increase their enterprise security buy-in and maturity. Josh also enjoys helping security practitioners flesh out their ideas into mature and actionable products.
Featured Blogs And Resources
Discover the blogs, analysis, webinars, and podcasts by this team member.
Engagement Guide: How to Prepare for Your Purple Team
TrustedSec's Purple Team engagements prepare clients for security assessments by identifying gaps in security coverage, logging, and tooling, with offerings…
ISC2 Cleveland Chapter Member Meeting - March 2026
ISC2 Cleveland Chapter March MeetupCome join us for our meetup! The ISC2 Cleveland Chapter is hosting an exciting in-person event for all cybersecurity…
Discord Livestream - AMA: Incident Response
Ask us anything about incident response! Join us for an exclusive Discord Livestream with IR Practice Lead Ryan Macfarlane.
Copilot Security: What to Know Before You Go
In this webinar, our experts will walk you through the critical groundwork needed before deploying Microsoft 365 Copilot. Learn how you can best prepare for…
CMMC Challenges and Misunderstandings
During our next webinar, our experts will cover CMMC misunderstandings that are creating the most problems for defense contractors and subcontractors, from CUI…
ISC2 Cleveland Chapter Member Meeting - February 2026
ISC2 Cleveland Chapter February MeetupCome join us for our meetup! The ISC2 Cleveland Chapter is hosting an exciting in-person event for all cybersecurity…
Building a Detection Foundation: Part 1 - The Single-Source Problem
The Uncomfortable Truth About Your Telemetry Let me start with an observation that might hit close to home. In my years working Incident Response cases and…
Security Noise - Ten Years: A Decade of Doing This
David Kennedy and Kelsey Segrue join us to discuss ten years of our podcast! We discuss how the cybersecurity space has evolved over the years and social media…
NewsNation - "Signal Sniffer" Tracks Pacemaker Signal
Authorities are employing multiple strategies to profile the kidnapper of Nancy Guthrie. TrustedSec Founder and CEO David Kennedy joined NewsNation to discuss…
WWL First News with Tommy Tucker - Skimming, shimming, and how to avoid getting scammed
What’s the real threat behind RFID scanners and skimmers? Advisory Solutions Director Alex Hamerstone joins WWL First News to discuss the mechanics of skimming…
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