Endian 4i Edge Software

Now you can turn any IoT Gateway (x86) or industrial PC into an Endian 4i industrial cybersecurity appliance. The Endian 4i platform (powered by EndianOS) is tailored to the needs of the market to protect and connect industrial assets like PLCs, HMIs, RTUs and other SCADA systems.

The versatility of the solution to run on a wide selection of hardware makes it perfect for OEMs, manufacturers, large or special purpose projects. When paired with the Switchboard as part of the Secure Digital Platform, businesses get a complete solution that provides secure remote access and permission management.


  • Leverage your own hardware (x86_64)
  • Efficient resource requirements
  • Flexibility to change with your business needs
  • Supports wide range of hardware and components
  • No operating system required (included)
  • High availability (supported)

Requirements and Compatibility

EndianOS 4i must be installed onto a dedicated machine with at least 2 NICs. The table below provides some recommended hardware specifications but remember that each network is different.

ArchitectureCoresMemoryHard Drive
x86_64 architecture2 cores4GB32GB
  • Most common Network Interface Cards are supported including Gigabit and fiber NICs

EndianOS 4i

At the core of the Endian ecosystem is EndianOS which powers the entire Secure Digital Platform. A security focused operating system built to provide the complete networking, security and connectivity stack in an intuitive and easy to operate solution. The Endian 4i powered by EndianOS is available as a Hardware, Software or Virtual solution.

EndianOS 4i Highlights
Secure Remote Maintenance

Provide easy and secure remote access to equipment for all types of users. Deploy seamlessly anywhere with no changes required to remote site networks.

Zero Trust Architecture

Enforce fine-grained access and authorization policies to reduce attack surface. Monitor and audit access records for compliance efforts.


Define network zones and firewall policies to protect critical IT and OT assets and interconnect different segments via secure pathways (NAT & VPN).

Threat Management

Identify and stop advanced threats or malware from infiltrating your network using our multi-faceted IT and OT security toolset.

Edge Computing

Manage edge applications to simplify software distribution and enable third party software for analytics, monitoring, automation and more.

Network Visibility and MonitoringNetwork Awareness and visibility to discover connected assets and protect against IT and OT threats. Identify network bottlenecks and track inappropriate activity.

Endian Licenses & Subscription

The Endian 4i subscription includes a complete set of services at a single all-inclusive price. A subscription provides industry-leading software and security services backed by expert-level support. Get the most from your Endian 4i with an easy-to-buy and easy-to-own subscription tailored for your business.

A subscription is required for every Endian product and for the 4i you just choose the duration of the subscription which can be 1 year, 3 years or 5 years.

With the subscription you get access to:
Premium security subscriptions
  • IPS signatures
  • DNS malware detection
Endian software
  • Security updates
  • Firmware updates & upgrades
  • Security signatures updates
Endian technical support*
  • Coverage 8*5 (see local office business hours)
  • Priority ticket processing
  • Hot Replacement RMA processing
Endian Network
  • Centralized device remote access
  • Support and license management

* Reference to the Endian Support SLA