Portnox
Portnox is a cybersecurity company in Austin, United States, founded in 2007. It has raised $59.5M across 2 rounds, most recently a $37.5M Series B in April 2025.
Cloud-Native NAC & Zero Trust Network Access (ZTNA)
- Headquarters
- Austin, Texas
- Employees
- 51–200
- Founded
- 2007
- Business Model
- B2B
- Website
- portnox.com
- Total Funding
- $59.5M
- Last Round
- $37.5M Series BApr 2025
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 2 funding rounds and 2 investors for this company. The full record is or through the API.
About
Portnox helps organizations secure human and non-human identities across networks, applications, and infrastructure. It continuously verifies access using identity context, device posture, and risk signals as identities, devices, and workloads multiply. Its unified platform combines passwordless authentication, access control, continuous policy enforcement, and automated response, while giving security and IT teams real-time visibility and tools to restrict, quarantine, or revoke non-compliant access.
Summary
It lists 51–200 employees. It has raised $59.5M in total across 2 rounds, most recently a $37.5M Series B round in Apr 2025. Investors include Updata Partners and Elsewhere Partners.
Tech & App Stack
7 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
Apr 2025
Sign up to see all 2 events
Funding: Series A through Series B. Amounts, valuations, and investors where available.
Investors
Similar Companies
Quest Software provides data management, cybersecurity, and platform-modernization technology tha...
Palantir Technologies builds data integration and analytics platforms (Gotham and Foundry) for go...
Veeam helps organizations understand, secure, and make their data and AI resilient to accelerate ...
Intrado provides reliable emergency communication technology that helps first responders connect ...
Appears in
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/portnox"><img src="https://indexed.vc/api/badge/company/portnox" alt="Portnox on Indexed.vc" width="260" height="76" /></a>