Unboxed For You

Secure OT connectivity, visibility, and control from one scalable platform.

Tosi Selection Guides
Secure OT That Scales

The Tosi Platform

The Tosi Platform combines industrial-grade hardware and cloud-based software to help solve the challenges created by sprawling OT environments. Tosi Gateways create encrypted tunnels at remote sites without network changes, users connect through Tosi Keys or software Clients, Tosi Hub scales connectivity across large deployments, and Tosi Control provides centralized visibility and management.

SecureEncrypted OT connectivity
VisualizeCentralized fleet visibility
ControlIdentity-based access
ScaleAdd sites and users as you grow
Built for OT

Why Tosi Is Different

Tosi is designed to simplify secure OT connectivity while giving your team more control as the environment grows.

Tosi automated connectivity

Automated, Fast Deployment

Tosi Gateways create encrypted connectivity without requiring static IP addresses or firewall changes, helping teams deploy secure OT access in minutes.

Tosi cyber security

Enterprise-Grade Security

The platform uses zero-trust architecture, AES-256 end-to-end encryption, outbound-only connections, identity-based access controls, and no open inbound ports. Tosi is ISO/IEC 27001:2022 certified.

Tosi secure data flow

Your Data Stays Yours

Tosi states that enterprise-grade encryption protects your data at every step and that it does not access or store your operational data.

Platform Components

One Platform, Five Core Building Blocks

Each part of the Tosi Platform has a specific role, from site-level connectivity to centralized management and advanced monitoring.

Tosi Control

Cloud-based console for visibility, monitoring, and management. SSO and REST APIs included.

Tosi Gateways

Industrial-grade hardware at OT sites. Encrypted tunnels without network changes.

Tosi Keys & Clients

Plug-and-play user authentication available as hardware, software, or mobile.

Tosi Hub

VPN concentrator in your cloud or data center that scales to thousands of connections.

Tosi Insight

Software-based module within Tosi Control for real-time asset discovery, behavioral analytics, and threat detection.

Enterprise-Grade Security

Security Built Into the Architecture

Tosi's security model is designed around minimizing exposure while enforcing identity-based access and encrypted communication.

Zero-Trust Architecture
AES-256 End-to-End Encryption
Outbound-Only Connections
No Open Inbound Ports
Identity-Based Access Controls
ISO/IEC 27001:2022 Certified

Tosi also states that no private keys are retained by Tosi and that it does not access or store customer operational data.

Why Customers Choose Tosi

Built to Reduce Complexity as You Grow

Deploy in Minutes

No static IPs, no firewall changes, and no exposed addresses.

Scale Without Rearchitecting

Add sites, users, or capabilities as your OT environment grows.

One Platform

Replace multiple point solutions with unified control across the Tosi ecosystem.

Compliance Ready

Audit trails and capabilities supporting the EU Cyber Resilience Act.

Secure Remote Access

Let Us Help You Get Secure Remote Access Today

Whether you need secure remote maintenance, access control, centralized visibility, or a platform that can scale across multiple sites, Stromquist can help you put the right Tosi pieces together.

Get Started with Tosi
Choose the Right Solution

Start Where You Are. Scale as Your Needs Grow.

Tosi's current platform datasheet organizes the solution into Essentials, Professional, and Enterprise CR.

Essentials

Get Started

For teams getting started with secure OT connectivity.

Includes
  • Tosi Control
  • Tosi Gateways
  • Tosi Keys & Clients
Support

Standard Support

Professional

Scale Up

For organizations scaling across multiple sites.

Includes
  • Everything in Essentials
  • Tosi Hub
  • Audit logs
  • Access groups
Support

Advanced Support
Phone, extended hours

Enterprise CR

Full Control

For enterprises requiring visibility and compliance.

Includes
  • Everything in Professional
  • Tosi Insight
  • Advanced network traffic analytics
Support

Premium Support
Priority handling, 24/7 option