Blog Eziwan

Technical Guides
Industrial IoT

VPN, LTE connectivity, Zero-Touch Provisioning, NIS2 compliance — technical resources from the Eziwan team.

vpnopenvpn

Industrial VPN vs. TeamViewer: Why Consumer-Grade Tools Are Not Sufficient in OT Environments

Compare OpenVPN and TeamViewer industrial VPNs for OT remote access. Exposed ports, IEC 62443, ANSSI recommendations, and zero-exposure architecture.

Équipe EziwanÉquipe Eziwan
July 16, 202612 min
water-and-sanitationsupervision

Drinking Water Network Monitoring: An IoT Guide for French Municipalities 2026

A Comprehensive Guide to Modernizing the Monitoring of Your Drinking Water Networks: SOFREL Migration, M-Bus/Modbus Protocols, ARS Compliance, NIS2, and ROI for French Municipalities.

Équipe EziwanÉquipe Eziwan
July 3, 202613 min
scadacloud

Cloud vs. On-Premise SCADA: A Decision-Making Guide for French Manufacturers, 2026

Cloud-Based or On-Premises SCADA? A Comparison of TCO, Security, Latency, and Compliance. A Comprehensive Guide to Choosing the Right Industrial Monitoring Architecture for Your Situation.

Équipe EziwanÉquipe Eziwan
June 19, 202614 min
cybersecurityot-security

OT Cybersecurity: 2026 Threat Landscape for French Industry

A Comprehensive Overview of Cyber Threats Targeting Industrial OT Systems in 2026: ICS ransomware, attacks on PLCs, SCADA vulnerabilities. A Practical Guide to Protecting Your OT.

Équipe EziwanÉquipe Eziwan
June 5, 202614 min
cybersecurityiec-62443

IEC 62443: A Practical Guide for French Manufacturers in 2026

Comprehensive Guide to IEC 62443 for French Industry: Security Levels, Practical Requirements, and Compliance Process. Effective in 2026 with the NIS2 Directive.

Équipe EziwanÉquipe Eziwan
May 26, 202611 min
roiindustrial-iot

ROI of Industrial IoT: How to Calculate and Maximize Your Return on Investment

A comprehensive method for calculating the ROI of an industrial IoT project: reduced travel, maintenance savings, and productivity gains. Quantified examples by sector.

Équipe EziwanÉquipe Eziwan
May 12, 202610 min
supervisionscada

Remote Industrial Monitoring: The Complete Guide 2026

A Comprehensive Guide to Remote Industrial Monitoring: Cloud-Based SCADA Architectures, Protocols, Cybersecurity, and Deployment. For automation engineers and maintenance managers.

Équipe EziwanÉquipe Eziwan
April 28, 202613 min
modbusmqtt

Modbus, MQTT, OPC-UA: Which Industrial Protocol Should You Choose in 2026?

Comprehensive Comparison of Modbus RTU/TCP, MQTT, and OPC-UA: Architectures, Performance, Use Cases, and Limitations. A Guide to Choosing the Right Protocol for Your Industrial IoT Project.

Équipe EziwanÉquipe Eziwan
April 15, 202614 min
gateway-iotconnectivity

How to Choose an Industrial IoT Gateway: 9 Essential Criteria (2026 Guide)

A Comprehensive Guide to Choosing an Industrial IoT Gateway in 2026: Supported Protocols, 4G/5G Connectivity, Zero Trust Security, Certifications, ZTP, and Data Hosting. Comparison and Checklist.

Équipe EziwanÉquipe Eziwan
April 2, 202612 min
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