Monitoring & management of OT/IT networks

Greater visibility, control and continuity for industrial and critical network environments.

A network that works today is not automatically a network that remains reliable, secure and manageable tomorrow. 4net helps organisations proactively monitor, manage and secure their OT and IT networks.

Every network is different. Discover which solutions best fit your OT and IT environment.

Technician monitors network equipment in an industrial environment

OT and IT networks often grow organically over many years.

New devices, additional locations, modified configurations and external connections make the network increasingly complex.

As a result, organisations often lose track of which devices are active, how systems communicate and where potential risks or failures arise.

Without proper monitoring and management, small deviations can quickly escalate into:

  • network outages
  • unstable communication
  • uncontrolled access
  • outdated configurations
  • limited visibility of OT assets
  • increased cybersecurity risks

Especially in industrial and critical environments, this has a direct impact on continuity, security and operational performance.

With solutions for monitoring, lifecycle management, NAC and cybersecurity follow-up, 4net helps organisations gain more visibility, control and stability within their OT and IT networks.

Hands on laptop with digital network visualisation
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PROBLEM

No visibility into network behaviour

When there is insufficient monitoring, it becomes difficult to correctly analyse deviations, bottlenecks or failures.

Difficult troubleshooting

Network security icon

PROBLEM

Uncontrolled access

Users or devices without proper authentication increase the risk within OT and enterprise networks.

Cybersecurity risk

Configuration icon

PROBLEM

Outdated configurations

Outdated firmware, undocumented changes or poorly maintained network configurations can lead to instability, compatibility issues and increased vulnerability.

Instability

History icon

PROBLEM

No history or analysis

Without historical network data, it is difficult to correctly analyse incidents and identify the root cause.

Incident cause unknown

Solutions within monitoring & management

A stable and secure network is the foundation of every modern organisation. Especially in OT and industrial environments, continuity is crucial for production, communication and operational processes.

Monitoring and management give organisations the insight and control needed to keep networks reliable, secure and future-proof.

With solutions for monitoring, network management, access control and cybersecurity follow-up, 4net helps organisations gain more visibility, control and stability within their OT and IT networks.

Network Access Control icon

Network Access Control (NAC)

Controlled access to your network

With Network Access Control, you determine which users and devices gain access to your network. This prevents unauthorised connections in OT and IT environments and supports standards such as 802.1X for network authentication.

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Network monitoring

More insight into network behaviour

Continuous insight into status and performance helps detect deviations and errors more quickly. With historical network data, you gain more control over your entire infrastructure.

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Incident management

Faster insight during outages

Network problems have a direct impact on production and operational processes. By combining monitoring, logging and historical analysis, incidents can be resolved more efficiently.

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Lifecycle management

Track updates and infrastructure

Hardware, firmware and configurations require continuous follow-up. Lifecycle management helps map end-of-life components and prepare for future expansions.

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Backup management

Keep configurations safe

Configuration backups enable fast recovery after incidents or hardware replacement. Centrally and securely stored configurations limit downtime and speed up the return to normal operations.

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Cybersecurity follow-up

More insight into risks and deviations

As OT and IT networks converge, the need to detect vulnerabilities and suspicious activity increases. Cybersecurity follow-up extends monitoring into a broader security strategy.

Cybersecurity does not stop at monitoring

Monitoring is an important component, but requires additional measures and structural follow-up.

Discover our cybersecurity solutions

From basic monitoring to proactive network management

Monitoring a network is more than checking online/offline statuses. In professional OT and IT environments, the need for greater visibility, historical analysis and central control is growing. That is why we distinguish between basic monitoring and more advanced network management.

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Basic monitoring

  • View status
  • Set alarms
  • Basic configurations
  • Onboard devices
  • Work reactively
  • Basic visibility
Advanced management icon

Advanced management

  • Analyse network behaviour
  • Perform historical analyses
  • Manage configurations centrally
  • Integrate access control
  • Optimise proactively
  • OT visibility & cybersecurity insights

Many organisations start with basic monitoring, but over time encounter limitations around visibility, troubleshooting, cybersecurity and manageability.

Advanced network management helps organisations detect deviations faster, analyse incidents more effectively and gain greater control over critical OT and IT infrastructures.

Technologies and platforms we work with

No two OT/IT environments are the same.

Organisations have different needs around monitoring, visibility, access control and central management. That is why we select the technologies that best fit your OT and IT environment.

4net works with leading platforms for industrial network monitoring, network access, OT visibility and central security management.

This helps organisations monitor, manage and secure their network infrastructure more efficiently.

Hirschmann Industrial HiVision

Industrial network monitoring and management

Hirschmann Industrial HiVision offers extensive capabilities for monitoring, configuring and managing industrial networks. The platform helps organisations gain greater visibility into network status, topology, faults and performance within OT environments.

Typical applications

  • Device discovery
  • Network monitoring
  • Configuration management
  • Diagnostics and troubleshooting
  • Monitoring of industrial switches

Belden / macmon NAC

Controlled network access

Belden/macmon NAC helps organisations centrally manage network access and better control which users and devices gain access to critical infrastructures. By combining authentication, segmentation and access control, NAC increases visibility and security within OT and IT networks.

Typical applications

  • 802.1X authentication
  • Network Access Control
  • Access management
  • Segmentation
  • Securing OT networks

Cisco Cyber Vision

OT visibility and cybersecurity insights

Cisco Cyber Vision makes industrial assets visible within OT networks and helps organisations map communication, deviations and potential risks. The platform combines OT visibility with cybersecurity insights and supports organisations in segmenting, monitoring and securing industrial infrastructures.

Typical applications

  • OT asset discovery
  • Network visibility
  • Cybersecurity monitoring
  • Segmentation
  • Analysis of industrial communication

Fortinet / FortiManager

Central management of security environments

FortiManager provides central management of Fortinet firewalls, configurations and security policies across multiple sites and network environments. By centralising management and monitoring, organisations gain more control, consistency and visibility within complex OT and IT networks.

Typical applications

  • Central firewall management
  • Multi-site management
  • Security policy management
  • Configuration management
  • Network visibility

Frequently asked questions

Network monitoring is the continuous tracking of the status, performance, and communication within a network.
By detecting anomalies, errors, or instability more quickly, problems can be analysed and resolved more effectively.
In industrial and critical environments, network failures can have a direct impact on production, communication, and operational processes.
Monitoring helps organisations intervene more quickly, manage risks more effectively, and support the continuity of their infrastructure.
Network monitoring focuses on visibility, detection, and analysis of network behaviour.
Network management goes further and also includes configuration management, lifecycle management, backups, access control, and operational follow-up of the network infrastructure.
Network Access Control (NAC) is a solution that allows organisations to determine which users, devices, and applications gain access to the network.
This helps prevent unauthorised access and increase the security of OT and IT networks.
802.1X is a standard for network authentication. It can be used to control whether users and devices are allowed to connect to the network.
Monitoring increases visibility within OT and IT networks and helps detect anomalies, suspicious activity, and potential vulnerabilities more quickly.
This allows organisations to respond more quickly to risks and incidents.
Yes. Depending on the solution, network data can be retained over longer periods.
This makes it possible to analyse failures retrospectively and better determine the origin of problems.
Lifecycle management encompasses tracking hardware, firmware, configurations, and end-of-life information of network equipment. This helps organisations keep infrastructures stable, secure, and future-proof.
Configuration backups make it possible to restore network equipment more quickly after errors, incidents, or hardware replacement. This limits downtime and speeds up the restart of critical systems.
4net works with solutions such as Hirschmann Industrial HiVision, Belden/macmon NAC, Cisco Cyber Vision, and Fortinet FortiManager, depending on the environment and customer needs.
These solutions are especially relevant for industrial environments, manufacturing companies, logistics sites, critical infrastructures, and organisations where network continuity is essential.
Yes. 4net supports organisations in analysing, monitoring, and optimising existing OT and IT networks, including visibility, access control, and cybersecurity follow-up.