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OT Networks

Enhancing Security and Visibility with TAP and Packet Brokers

What are OT Networks?

Operational Technology (OT) networks are the backbone of industrial environments. They encompass hardware and software systems that detect or cause changes through direct monitoring and control of physical devices, processes, and events within an enterprise. These networks are crucial in industries such as manufacturing, energy, transportation, and utilities, where real-time operations are critical.

Importance of OT Network Monitoring

In the era of Industry 4.0, OT networks are increasingly interconnected with IT networks, enhancing efficiency but also exposing critical infrastructure to new cyber threats. Monitoring OT networks is essential to:
  • Ensure Operational Continuity: Prevent downtime and maintain seamless operations.
  • Enhance Security: Detect and mitigate cyber threats in real-time.
  • Regulatory Compliance: Meet industry standards and regulatory requirements.
  • Optimise Performance: Improve operational efficiency and troubleshoot issues swiftly.

Challenges in OT Network Monitoring

  • Complexity: OT environments often consist of legacy systems with proprietary protocols.
  • Security: OT networks are prime targets for cyber attacks due to their critical nature.
  • Downtime: Any disruption can lead to significant operational and financial losses.
  • Visibility: Limited insight into network traffic and device communications.

70% of industrial organizations have fallen victim to cyberattacks

87% believe Zero Trust is the right approach to OT security

Cyber attacks cost organisations 4.6 million USD on average

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Packet Brokers

  • Intelligent Traffic Management: Filter, aggregate, and distribute network traffic to monitoring and security tools.
  • Advanced Security Features: Decrypt, analyse, and detect malicious activities in real-time.
  • Centralised Visibility: Unified view of network traffic across multiple sites and devices.


  • Non-intrusive Monitoring: Capture 100% of network traffic without introducing latency.

  • High Reliability: Robust design to withstand industrial environments.

  • Scalability: Flexible deployment options to accommodate network growth.

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How Do Network TAPs Work?
Part 2: The TAP Strategy

Ensure the smooth running of your entire Network Management by creating a TAP Strategy that suits your needs. Say goodbye to messy data, missing packets and network down-time.

Technology Partnerships

Cisco is a global leader in telecommunications, security, network infrastructure and IT applications. As an official Cisco Solution Partner, Network Critical helps provide visibility and access for Cisco security and performance monitoring solutions.

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Customer Use Cases

Network Critical’s solutions are used in global networks across a wide range of sectors including Telco, Government and Energy

Vodafone Networks
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Airbus Network
BP Energy network
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Together, we can find the perfect solution for your network

We understand your privacy is important. Network Critical does not share your personal information with any unauthorized parties. For more information on how we use your personal data, please review our Privacy Policy.

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