OnDefend specializes in advanced cybersecurity testing that delivers ongoing security validation across the most complex technology environments. Through continuous adversary emulation, OnDefend validates every layer of technology risk by uncovering hidden attack paths, control failures, and systemic weaknesses that traditional testing often misses. OnDefend leverages deep red team expertise with proprietary innovation and AI-driven intelligence to ensure across software, cloud, hardware, IoT, and AI environments. For more information, visit www.ondefend.com.
| Website | https://www.ondefend.com |
| Revenue | $18.7 million |
| Employees | 66 (56 on RocketReach) |
| Founded | 2016 |
| Address | 10151 Deerwood Park Blvd Bldg. 200 Suite 110, Jacksonville, Florida 32256, US |
| Phone | +1 800-214-2107 |
| Technologies |
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| Industry | Information Technology and Services, Business Services General, Business Services |
| Keywords | Cybersecurity, Penetration Testing, Vulnerability Management, Security Testing, Saas, Threat Modeling, Red Teaming, Security Assessment, Risk Management, It Security, Cybersecurity Advisory, Compliance, Security Solutions, Information Security, Data Security, Cybersecurity Services, Preventative Security, Software Security |
| Competitors | Amazon, Palo Alto Networks, Cloudflare, Fortinet, F5 GOVERNMENT SOLUTIONS LLC, Akamai Technologies, 博威特网络技术(上海)有限公司, VERISIGN, Radware, Imperva +42 more (view full list) |
| SIC | SIC Code 738 Companies, SIC Code 73 Companies |
| NAICS | NAICS Code 561 Companies, NAICS Code 56 Companies |
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OnDefend Questions
The OnDefend annual revenue was $18.7 million in 2026.
Billy Steeghs is the Co-Founder - COO, CISO of OnDefend.
56 people are employed at OnDefend.
OnDefend is based in Jacksonville, Florida.
The NAICS codes for OnDefend are [561, 56].
The SIC codes for OnDefend are [738, 73].
Top OnDefend Employees
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Billy Steeghs
Co-Founder - COO, CISO at OnDefend
St. Augustine, FL, US35+ -
Chris Freedman
Co-Founder and CEO at OnDefend
Ponte Vedra Beach, FL, US23 -
Aaron Rosenmund
Managing Director of Tradecraft and Programs at OnDefend
Ponte Vedra Beach, FL, US33 -
Zachary Hardy
Director of Operations at OnDefend
Jacksonville, FL, US24 -
Michael McDermott
Head of Software Engineering and Product Development at OnDefend
Florida, United States12 -
Ave L.
Director of Human Resources at OnDefend
Jacksonville, FL, US -
Emily Hurless
Senior Marketing Strategist at OnDefend
United States34 -
Kevin Baidas
System Engineer at OnDefend
Ponte Vedra Beach, FL, US35+ -
Malik Smith
Application Security Tester at OnDefend
Washington, DC, US5 -
M. Zaheer
Technical Project Manager - Red Team at OnDefend
Woodbridge, VA, US33
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