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…
You Had Us at the First Alert: A Guide to Finding Frequently Missed Detections
Join us for this webinar to get a clearer picture of where your detection coverage has blind spots and a practical roadmap for closing them before a real…
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…
Policy as Code: Stop Writing Policies and Start Compiling Them
The Problem Nobody Wants to Talk AboutLet me paint a picture most security leaders will recognize.You have 30+ policies living as Word documents on SharePoint.…
Security Noise - AI is Exploring The Deep Blue CVEs
On this episode of Security Noise, we explore the cutting-edge use of AI in vulnerability research, exploit development, and cybersecurity defense with guests…
Building a Detection Foundation: Part 4 - Sysmon
Filling the Gaps Native Logging Can'tAt this point in our series, we have Windows Security events capturing logon sessions and process creation, and…
ABC7 Chicago - March Madness betting, ticket scams targeting college basketball tournament fans
March Madness is in full swing and so are the scams, the latest being fake tickets sales and "bogus" bracket challenges. Advisory Solutions Director Alex…
Discord Livestream - AMA: Incident Response
Ask us anything about incident response! Join us for an exclusive Discord Livestream with IR Practice Lead Ryan Macfarlane.
Full Disclosure: A Third (and Fourth) Azure Sign-In Log Bypass Found
Invisible password sprays. Invisible logins. Full tokens returned.Nyxgeek here. It's 2026 and I've got two more Azure Entra ID sign-in log bypasses…
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…
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