

Antigen Security: Detailed Company Information & Corporate Profile
Summary
Antigen Security was founded in 2020 and is based in Flint, Michigan, serving clients with private security solutions as part of a small but focused firm of 10‑50 professionals that generates $1‑$10 million in revenue.
Its portfolio centers on Incident Response, Digital Forensics, Recovery Engineering, Security Consulting, Managed Detection & Response (MDR), Digital Forensics and Incident Response (DFIR), Managed Service Provider (MSP) offerings, cyber insurance assessments, and broader cyber risk management.
The team is led by CEO Steven Legg, with operational expertise from Sr. Security Engineer Finn and Senior Incident Response Consultant Maurice Nash; the revenue side is guided by Chief Revenue Officer Matt McGonigle. Marketing is driven by Cassidy Messner while business development is handled by Christiana Stramaglia.
| Antigen Security Website | antigensecurity.com |
| Phone Number | 517-940-6288 |
| Industries | |
| Antigen Security Headquarters Address | Flint, MI, 48502 US |
| Company Size | 10-50 employees |
| Specialities & Services | Incident Response, Digital Forensics, Recovery Engineering, Security Consulting, MDR, DFIR, MSP, Cyber insurance assessments, cyber risk manageent |
| Founded | 2020 |
| Estimated Annual Revenue | $1 - 10M |
| Updated: | 2026-10-21 |
Workforce Turnover
Length of Employment
Antigen Security's workforce includes employees across a wide range of tenure levels.
50% have been with the company for 3 to 4 years50% have been with the company for 5 to 7 yearsCompanies Similar to Antigen Security
Antigen Security Corporate Information: FAQ
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