Portnox
Portnox is a cloud-native network access control and zero trust security platform serving thousands of mid-market and enterprise customers worldwide. Its Portnox Cloud platform unifies NAC, ZTNA, RADIUS, and TACACS+ to secure user, device, and infrastructure access.
- Company typePrivate
- Founded2007
- HeadquartersAustin, United States
- Headcount51–100
- GTM typeB2B
- OfferingSoftware
What Portnox does
Portnox is a cloud-native network security company that delivers zero trust access control for enterprise networks, applications, and infrastructure. Founded in 2007 and headquartered in Austin, Texas, the company operates a software-as-a-service platform called Portnox Cloud that unifies four core modules: Network Access Control (NAC), Zero Trust Network Access (ZTNA), cloud-native RADIUS authentication, and TACACS+ for infrastructure administration. The platform manages more than 1 million devices and processes over 40 million authentication sessions daily, providing passwordless, certificate-based access enforcement with continuous posture assessment. Customers include Vuori, Sallie Mae, LegalZoom, Anaplan, and Aecon, and the company claims to serve thousands of enterprises across North America, Europe, and Asia-Pacific.
The core technology stack replaces legacy on-premises NAC appliances, VPNs, and privileged access management tools with a single multi-tenant cloud platform. Native integrations span identity providers (Okta, Microsoft Entra ID, Active Directory, Google Workspace, JumpCloud, OneLogin, OpenLDAP), SIEM and monitoring platforms (Splunk, Datadog, Sumo Logic, SolarWinds, PagerDuty), endpoint security vendors (CrowdStrike, SentinelOne, Microsoft Defender), and a documented REST API supporting device, account, NAS, and site CRUD operations. The company holds SOC 2 Type II certification and has certified adherence to the EU-U.S. and Swiss-U.S. Data Privacy Frameworks.
Portnox generates revenue through SaaS subscriptions, though specific pricing is not publicly disclosed. The go-to-market combines direct sales, anchored by a leadership bench drawn from SolarWinds, AlienVault, Dropbox, Symantec, and Upland Software, with a formalized two-tier channel reseller program called PartnerEdge launched in May 2026 under a dedicated VP of Channel Sales. The company has raised $59.5 million in venture funding across a $22 million Series A in January 2022 (Elsewhere Partners) and a $37.5 million Series B in April 2025 (Updata Partners lead, Elsewhere Partners participation).
Portnox firmographics
Firmographics- Name
- Portnox
- Legal name
- Portnox Security LLC
- Website
- https://portnox.com
- Company type
- Private
- Founded year
- 2007
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Portnox is a cloud-native network access control and zero trust security platform serving thousands of mid-market and enterprise customers worldwide. Its Portnox Cloud platform unifies NAC, ZTNA, RADIUS, and TACACS+ to secure user, device, and infrastructure access.
- Ownership category
- akta.pro rank
Portnox industry classification
Industry- Product category
- Network Security Software
- SIC
- Computer Terminals (3575)
- akta.pro primary industry
- Wi‑Fi Security, Access Control & Policy (NAC/Zero Trust for WLAN) (HDAFACAF)
- akta.pro secondary industries
- Policy, Access & NAC Administration (AAA/802.1X) (HDAFAMAH), Access Management & Policy Enforcement (Zero Trust) (BPAMAEAH), Single Sign-On (SSO) & Federation (BPAMAEAF)
Keywords
Where Portnox is headquartered
LocationHeadquarters
- HQ city
- Austin
- HQ country
- United States
- HQ region
- North America
Markets served
Portnox business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Infrastructure, Operations
Portnox product offering
Product offeringCore offering
Portnox provides a cloud-native zero trust access control platform that unifies Network Access Control (NAC), Zero Trust Network Access (ZTNA), RADIUS authentication, and TACACS+ infrastructure administration into a single SaaS solution. The platform delivers real-time device visibility, continuous posture assessment, passwordless certificate-based authentication, and policy-based enforcement for enterprises replacing legacy on-premises NAC appliances, VPNs, and admin access tools.
Product overview
Portnox offers a unified, cloud-native zero trust access control platform called Portnox Cloud that brings together four core modules: NAC (Network Access Control), ZTNA (Zero Trust Network Access), RADIUS (cloud-hosted network authentication), and TACACS+ (infrastructure administration access control). The platform replaces legacy NAC appliances, VPNs, and admin access tools with a single SaaS solution that delivers real-time device visibility, passwordless authentication, continuous posture assessment, automated remediation, and policy-based enforcement across networks, applications, and infrastructure.
Differentiator
Problem solved
Functional benefit
Brands
- Portnox Cloud: Universal zero trust platform that unifies network access control, application access, and infrastructure administration
- Portnox NAC
- Portnox ZTNA
- Portnox RADIUS
- Portnox TACACS+
- PartnerEdge
- AgentP
Products and services
- Portnox Cloud Universal zero trust platform that unifies network access control (NAC), Zero Trust Network Access (ZTNA), RADIUS authentication, and TACACS+ infrastructure administration into a single cloud-native solution for enterprise security and IT teams.
- Portnox NAC Cloud-native Network Access Control (NAC) that provides complete device visibility, continuous posture checks, dynamic access enforcement, and automated compliance remediation for wired, wireless, and VPN access layers at enterprises.
- Portnox ZTNA Cloud-native Zero Trust Network Access (ZTNA) solution that provides fast, frictionless, posture-aware, VPN-free access to SaaS and private applications with passwordless, certificate-based authentication for remote and hybrid workers.
- Portnox RADIUS Cloud-native RADIUS authentication service that provides enterprise-grade, highly available authentication with built-in redundancy, effortless scalability, and support for 802.1X, dynamic VLAN/ACL assignment, and certificate-based authentication.
- Portnox TACACS+ Cloud-native TACACS+ solution for centralized authentication, authorization, and accounting (AAA) of network infrastructure administrators with role-based policies and command auditing for switches, routers, and critical infrastructure.
Companies that use Portnox
Customer profileIdeal customer profiles1 record
Portnox technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration57 records
AI capability3 records
Portnox partnerships and signals
Strategic signalRecent moves8 records
Expansion highlights5 records
Portnox competitors and assessment
Company assessmentBroad incumbents
- Cisco (Identity Services Engine / Cisco Secure Access): Cisco ISE is the dominant on-prem NAC platform and Cisco Secure Access bundles ZTNA/SSE capabilities. It competes head-to-head with Portnox in NAC and increasingly in cloud-delivered zero trust.
- Zscaler: Zscaler Private Access and Zscaler for Users represent leading cloud-delivered ZTNA platforms that increasingly incorporate device posture and access policy controls overlapping with Portnox ZTNA.
- Palo Alto Networks (Prisma Access): Prisma Access is a SASE/ZTNA platform from one of the largest cybersecurity vendors, competing with Portnox ZTNA as part of a broader network security portfolio.
Direct peers
- Aruba Networks (ClearPass): ClearPass is one of the most widely deployed NAC solutions, integrated with Aruba's wireless and switching portfolio. Direct competitor to Portnox NAC in mid-market and enterprise segments.
- Forescout Technologies: Forescout specializes in agentless device visibility and NAC for IT, IoT, and OT environments—directly overlapping Portnox's NAC and IoT fingerprinting capabilities.
- Ivanti (Neurons for NAC): Ivanti Neurons for NAC competes directly with Portnox in network access control, unified endpoint management, and zero trust access for enterprise customers.
- Extreme Networks (ExtremeCloud IQ): ExtremeCloud IQ and related NAC offerings target the same enterprise networking and access control buyer as Portnox, often delivered alongside wired/wireless infrastructure.
- Appgate: Appgate offers a ZTNA platform with risk-based access controls and network-level protection, directly competing with Portnox ZTNA in enterprise zero trust deployments.
Emerging players
- Cloudflare (Cloudflare Access): Cloudflare Access delivers cloud-native ZTNA as part of Cloudflare One, competing with Portnox ZTNA for application access use cases.
- JumpCloud: JumpCloud provides cloud directory and device management with growing zero trust access capabilities, overlapping with Portnox's identity-driven access approach for SMB and mid-market.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks5 records
Key highlights7 records
Customer concentration
Portnox social profiles
Digital presencePortnox compliance and trust
Trust signalCompliance1 record
Portnox financial estimates
Financial estimateRevenue estimate
Valuation estimate
Portnox leadership team
Management profileNumber of profiles
Profiles11 records
Portnox funding detail
Funding detailFunding overview
Funding rounds2 records
Investors2 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Portnox M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Portnox
What does Portnox do?
Portnox provides a cloud-native zero trust access control platform that unifies Network Access Control (NAC), Zero Trust Network Access (ZTNA), RADIUS authentication, and TACACS+ infrastructure administration into a single SaaS solution. The platform delivers real-time device visibility, continuous posture assessment, passwordless certificate-based authentication, and policy-based enforcement for enterprises replacing legacy on-premises NAC appliances, VPNs, and admin access tools.
Is Portnox a public or private company?
Portnox is a private company. It is classified as venture growth investor backed and is currently operating.
When was Portnox founded?
Portnox was founded in 2007. It employs 51 to 100 people.
Where is Portnox based?
Portnox is headquartered in Austin, United States, in the North America region.
Who are Portnox's main competitors?
Broad incumbents on record are Cisco (Identity Services Engine / Cisco Secure Access), Zscaler and Palo Alto Networks (Prisma Access). Direct peers are Aruba Networks (ClearPass), Forescout Technologies, Ivanti (Neurons for NAC), Extreme Networks (ExtremeCloud IQ) and Appgate. Emerging players are Cloudflare (Cloudflare Access) and JumpCloud.
Does Portnox have an API?
Yes. Portnox Cloud API is a RESTful endpoint documented in Swagger that supports all common CRUD operations (Create, Read, Update, Delete) for devices, accounts, NASs, and sites. Customers use it to automate routine tasks such as adding MAC addresses to a MAB account. The API enables integration with bespoke solutions or other services. Developer documentation is at docs.portnox.com.
What industry is Portnox in?
Portnox's product category is Network Security Software. Its primary akta.pro industry code is HDAFACAF, Wi‑Fi Security, Access Control & Policy (NAC/Zero Trust for WLAN), with a secondary code of HDAFAMAH, Policy, Access & NAC Administration (AAA/802.1X). Its SIC code is 3575.