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…
Tips for Incident Response Planning: Prepare Before Crisis Strikes
During our next webinar, our Incident Response experts will cover what organizations should do to prepare so they can respond quickly and be on the way to…
Inside the Modern Red Team: How Attackers Think, and What Defenders Miss
Discover how modern Red Teams think like attackers, what defenders often miss, and how to strengthen your cybersecurity posture.
Limiting Domain Controller Attack Surface: Why Less Services, Less Software, Less Agents = Less Exposure
Before we dive in, let’s get all the TrustedSec Certified Absolutes out of the way:All software presents some level of inherent risk.Only required software…
News 5 Cleveland - Elyria Police responded to a reported restaurant robbery. But it was actually an AI prank.
AI quality is evolving rapidly, making it easier than ever to create convincing fakes from a phone. Advisory Solutions Director Alex Hamerstone spoke with News…
Top 10 Blogs of 2025
Everyone has a year-end list, and this is ours. See what our top-performing cybersecurity blogs were in 2025, there could be some you might have missed!
News 5 Cleveland - Holiday Warning: Keeping your loved ones safe from scams
As the holidays approach, the most effective defense against fraud is an informed family. Advisory Solutions Director Alex Hamerstone spoke with News 5…
Security Advisory: React2Shell (CVE-2025-55182) - Critical RCE Vulnerability
A critical vulnerability affecting React Server Components (RSC) is being actively exploited. Here's what to look for and what to do next.
WWL First News with Tommy Tucker - Holiday scams are in full swing. Here's how to protect yourself
Don't let scammers ruin your holiday season. Advisory Solutions Director Alex Hamerstone joins WWL First News to discuss the most common seasonal scams and…
Holy Shuck! Weaponizing NTLM Hashes as a Wordlist
Password reuse is common in Active Directory (AD). From an attacker’s perspective, it is a reliable path to lateral movement or privilege escalation. Most IT…
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