# Portnox

> Portnox is a cloud-native access control company that unifies Network Access Control (NAC), RADIUS, TACACS+, and passwordless conditional access for applications into a single zero-trust platform. Founded in 2007 by a team from the Israeli Air Force and now headquartered in Austin, Texas, Portnox removes the appliances, VMs, and specialized staff that traditional NAC requires, letting organizations authenticate users and devices, assess endpoint risk, and enforce compliance across wired, wireless, and remote networks from the cloud. It serves more than 1,000 organizations across healthcare, finance, manufacturing, and technology.

- **Founded:** 2007
- **Headquarters:** Austin, Texas, United States
- **Founders:** Ofer Amitai (Co-Founder (former CEO)), Idan Kuperman (Co-Founder), Nir Aran (Co-Founder), Ben Kapuler (Co-Founder)
- **Team size:** Approximately 100-200 employees
- **Products:** Portnox Cloud (Unified Access Control Platform), Cloud NAC (Network Access Control), Cloud RADIUS, Cloud TACACS+, Conditional Access for Applications
- **Notable:** Shipped the first cloud-native network access control (NAC) solution on the market in 2017., Delivered the first cloud-native TACACS+ solution (2023)., Named Best Solution for Network Access Control at the 2025 RSA Conference (Cyber Defense Magazine Global InfoSec Awards).

## Products & services

- **Portnox Cloud (Unified Access Control Platform)** — Cloud-native platform bringing NAC, ZTNA, RADIUS, TACACS+, and conditional access into one place for managing user and device authentication, authorization, and risk policies.
- **Cloud NAC (Network Access Control)** — Vendor-neutral, cloud-delivered network access control for wired and wireless networks with real-time endpoint visibility, device profiling, and automated remediation.
- **Cloud RADIUS** — A cloud-native RADIUS service delivering zero-trust authentication across wired and wireless access layers, with certificate-based and passwordless options.
- **Cloud TACACS+** — The first cloud-native TACACS+ solution for AAA (authentication, authorization, and accounting) on networking infrastructure and device administration.
- **Conditional Access for Applications** — Passwordless, phishing-resistant application access with endpoint risk posture assessment and automated remediation; supports Microsoft External Authentication Methods (EAM).
- **IoT Fingerprinting & Risk Assessment** — AI-powered device fingerprinting and risk scoring that discovers, profiles, and controls IoT and unmanaged devices on the network.

## Achievements

- Shipped the first cloud-native network access control (NAC) solution on the market in 2017.
- Delivered the first cloud-native TACACS+ solution (2023).
- Named Best Solution for Network Access Control at the 2025 RSA Conference (Cyber Defense Magazine Global InfoSec Awards).
- Won the 2025 TMCnet Zero Trust Security Excellence Award.
- Named a 2025 Enterprise Security Tech Cyber Top Companies Award winner.
- Finalist in the 2025 SC Awards (Best Authentication) for Conditional Access for Applications.
- Raised $59.5M in total funding across Series A and Series B.
- Grew to more than 1,000 customers with a reported ~95% retention rate.

## Latest updates

- **2025-04** — Closed a $37.5M Series B round led by Updata Partners, bringing total funding to $59.5M.
- **2025-04** — Named Best Solution for Network Access Control at the 2025 RSA Conference.
- **2025-05** — Named a 2025 Enterprise Security Tech Cyber Top Companies Award winner.
- **2025-01** — Awarded the 2025 TMCnet Zero Trust Security Excellence Award.
- **2024-09** — Added support for Microsoft External Authentication Methods (EAM) to its Conditional Access for Applications.
- **2024-03** — Debuted passwordless zero-trust Conditional Access for Applications.

## Links

- Website: https://portnox.com
- LinkedIn: http://www.linkedin.com/company/portnox
- Twitter/X: https://twitter.com/portnox
- YouTube: https://www.youtube.com/c/Portnox
- Facebook: https://facebook.com/portnox

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Profile page: https://yespress.io/portnox
Published by YesPress — https://yespress.io
Last updated: 2026-07-18