The Digitalist Team
March 29, 2023

What is IIoT and which industries does it impact?


min reading time

This industrial and technological revolution, however, is not without security threats. Potential cyber attacks may compromise critical data, interrupt operations, and cause equipment damage. In our article below, we discuss how IIoT impacts various industries, focusing particularly on the IIoT security and privacy concerns that come with it. 

Finally, you can get familiar with the solutions CCLab offers to the energy sector in collaboration with our professional partner companies, leveraging our agile methodologies and extensive industry expertise.

IIoT is revolutionizing various industries

Definition and importance of the Industrial Internet of Things

The Industrial Internet of Things refers to using networked sensors, devices, and software in industrial environments to gather and analyze data, optimize processes, and boost production. By offering real-time insights into their operations, IIoT enables industrial establishments to make better decisions, enhance efficiency, and save costs.

IIoT revolutionizes manufacturers and different industrial providers by allowing predictive maintenance, remote monitoring and control, as well as the deployment of automated and intelligent technologies. Its significance stems from the fact that it has the potential to significantly enhance product quality and consistency, boost operational efficiency, and minimize downtime, all of which improve overall profitability. 

Furthermore, IIoT may help implement sustainable practices and reach ESG (environmental, social, and governance) goals and requirements by optimizing energy use and decreasing waste, as well as enhancing worker safety and risk in hazardous industrial situations.

Main differences between IoT and IIoT

The Industrial Internet of Things and the Internet of Things are two different but related technologies. While both entail device interconnectivity and data collecting, their applications, analytical capabilities, connection with legacy systems, interoperability, and standards differ significantly.

Focus on industrial applications

IIoT is designed primarily for industrial settings such as manufacturing facilities, oil and gas refineries, and utility grids. It offers real-time monitoring and management of industrial processes, enhancing operations and increasing efficiency.

Advanced analytics

IIoT uses machine learning, AI, and other sophisticated analytics techniques to give deeper insights into industrial processes, forecast potential issues, and automate decision-making. In contrast, IoT often depends on essential analytics tools such as simple algorithms or rule-based systems.

Integration with legacy systems

Many industrial settings still rely on legacy systems and devices. IIoT must be capable of seamlessly integrating with these existing systems, infrastructure, sensors, and software, which can be a significant challenge.

Interoperability and standardization

Interoperability and standardization are critical factors distinguishing IIoT from IoT. Devices and systems from various manufacturers must function smoothly together in industrial environments, and data must be exchanged across platforms. IIoT relies on standardization and interoperability standards such as OPC-UA to guarantee that devices and systems can interact efficiently.

Industries impacted by IIoT

IIoT constantly transforms the industrial environment by enabling real-time data exchange, monitoring, and analysis of linked devices, equipment, and systems. Its cutting-edge technology has opened the way for increased efficiency, productivity, and cost-effectiveness across a wide range of industrial sectors. IIoT allows for a constant data flow, resulting in a smarter and more connected industrial ecosystem capable of enhancing complex processes and increasing operational agility.


The industrial industry is likely to benefit the most from IIoT. IIoT allows for automating complicated processes by linking machines, sensors, and systems, resulting in enhanced productivity and cost savings. IIoT may also help manufacturers discover and fix issues before they create downtime or errors, improve supply chain management, and increase product quality.

Some examples of the most common applications of IIoT in manufacturing are predictive maintenance, quality control, supply chain optimization, asset tracking and management, and energy management.

Robotics and automation in manufacturing supported by IIoT


By allowing real-time vehicle tracking, optimizing routes, lowering fuel consumption, and improving safety, IIoT technology is radically changing the transportation sector. It enables fleet operators to proactively monitor vehicle health, detect maintenance issues, and forecast failures by implementing IIoT sensors. This results in considerable reductions in downtime and repair costs. 

IIoT sensors can detect safety threats by monitoring real-time driver behavior, vehicle performance, and road conditions. It allows smart traffic management by evaluating sensor data to forecast traffic patterns and adjust traffic lights accordingly. IIoT may also improve passenger experience by delivering real-time data and monitoring passenger behavior to alter the surroundings accordingly.


The usage of Industrial Internet of Things technology is altering the agriculture business by allowing crop production optimization, waste reduction, and environmental impact reduction. It makes it easier for agricultural companies to monitor crucial real-time parameters such as soil moisture, nutrient levels, and weather conditions. This offers significant data insights for smart irrigation, fertilization, and harvesting decisions. IIoT also enables automation in the industry, lowering labor costs and boosting supply chain management.


Because of its numerous practical uses, industrial IoT is gaining popularity in the construction sector. Smart sensors can track the status of building operations, such as curing time and weather conditions, and provide project managers with real-time data to help them make well-established decisions. Aside from these, IIoT-enabled asset management monitors usage and maintenance schedules to enhance equipment utilization, save maintenance costs, and improve safety.

Another advantage of IoT-enabled building automation systems is the ability to monitor and regulate building systems in real time, which improves energy efficiency and lowers costs. Finally, IIoT asset tracking delivers real-time location and status information, which reduces theft and improves inventory management.


IIoT supports energy companies in adapting to changing market conditions, increasing competitiveness, and driving sustainable growth. By implementing IIoT, energy firms may get new insights and possibilities, resulting in a more efficient, safe, and sustainable energy landscape.

IIoT can be implemented in the energy industry in multiple ways:

  • Smart Grids: Industrial IoT can be used to build smart grids that allow energy firms to monitor and regulate their operations in real-time. This allows companies to control power distribution more effectively, optimize energy use, and reduce costs.
  • Predictive Maintenance: Advanced IIoT technology helps monitor the equipment's health and forecast when maintenance is needed. It supports energy businesses to decrease downtime while increasing equipment lifespan and improving safety.
  • Remote Monitoring: Adapting innovative technology allows companies to remotely monitor and operate energy activities, including oil rigs, pipelines, and wind turbines. This enables energy businesses to reduce the need for human involvement while also improving safety and lowering expenses.
  • Energy Management: The Industrial Internet of Things (IIoT) may monitor and control energy use in buildings, factories, and other facilities, enabling them to optimize their energy use, cut expenses, and increase their sustainability.
  • Data Analytics: The Industrial Internet of Things creates massive volumes of data that can be used to acquire insights and enhance operations. This helps energy businesses to make data-driven choices, improve operations, and cut costs.

Security and privacy concerns

As you can see from the above, IIoT supports many industries and brings countless benefits to most sectors. However, these advantages and positive attributes come with a price. The unstoppable development and spread of various smart solutions and IoTs in different industries raises severe security and privacy concerns. Therefore ensuring IIoT security should be the main priority of designers and manufacturers.


Cybersecurity should be the manufacturers' and developers' top priority since IIoT devices can be subject to cyber attacks, which may lead to data breaches, system failures, and possibly disastrous repercussions. To safeguard the data acquired and communicated by IIoT devices, it is critical to incorporate robust security mechanisms such as encryption, access restrictions, and intrusion detection systems.

Data Privacy

Another primary concern is data privacy since Industrial IoT devices collect and send massive quantities of data, including sensitive company and financial information. Organizations must ensure comprehensive data protection mechanisms are in place to secure this data from unauthorized access, theft, or attacks.

Physical security

Physical security is also an issue, as IIoT devices are frequently installed in isolated or dangerous areas, subjecting them to physical assaults, theft, or manipulation. This can jeopardize data integrity and pose significant security concerns.


IIoT devices in an industrial company’s smart system are often designed by multiple manufacturers and run on different platforms, which can lead to interoperability concerns. This might make it challenging to guarantee that data is securely sent and devices are configured adequately from a cybersecurity point of view.

What is the solution?

To address these issues, industrial companies must employ strong security and privacy protection like encryption, access limits, and intrusion detection systems. Besides these, organizations must also design clear rules and processes for managing IIoT devices and data and guarantee that all employees receive cybersecurity training and data protection best practices.

Industrial IoT cybersecurity became more important than ever

IEC 62443 certification

Manufacturers and designers of IIoT devices are responsible for ensuring that their operation, processes and products are safe against data leaks and potential cybersecurity attacks. With the growing incidence of cyber threats, security must be prioritized in the design of every IIoT device. This involves establishing robust authentication, encryption, and access control systems. Additionally, manufacturers must constantly check and upgrade their devices and systems to address any recently uncovered vulnerabilities.

Compliance with the International Electrotechnical Commission (IEC) 62443 standard is one effective way to ensure cybersecurity in IIoT devices. ISA/IEC 62443 is an internationally acknowledged standard for protecting Industrial Control Systems and is currently the most effective Cybersecurity solution for Industry 4.0. 

This standard specifies procedures for creating, implementing, and maintaining cybersecurity safeguards in industrial automation and control systems (IACS). Compliance with IEC 62443 helps reassure consumers that their IIoT devices are safe and developed with cybersecurity in mind.

How can CCLab help?

Manufacturers and designers must adjust standard risk management techniques to account for growing dangers and prioritize including appropriate cybersecurity solutions in their product development cycle as the connection and the number of Industrial IoT devices grows.

The ISA/IEC 62443 series of standards were developed to provide a simple, achievable model for handling risks and mitigating cybersecurity threats in the industrial environment. They cover a range of topics related to ICS security, including risk assessment, network security, access control, incident management, and system maintenance. 

IEC 62443-4-1

Obtaining IEC 62443-4-1 certification demonstrates that the developer has adopted a secure-by-design methodology from the beginning of the product development process, which includes a complete security lifecycle and patch management. Adhering to these requirements not only ensures compliance with industry standards but also protects against cybersecurity risks and maintains the safety and reliability of IACS.

IEC 62443-4-2

To ensure that security requirements relevant to customers are met during the development an production of IACS components. These industrial components shall be certified in accordance with IEC 62443-4-2. By following the guidelines defined in the IEC 62443-4-2 subsection, suppliers can equip their customers with the best chance of protecting their networks against cyber attacks. 

Adherence to the requirements outlined in IEC 62443-4-2 guarantees secure and resilient components, which shall be procured by 62443 certified and secured IACS organizations, ensuring the overall IIoT security and reliability of industrial networks.

The IEC 62443 standard specifies four levels of component security functionality:

  • SL1: Protection against causal or coincidental violation.
  • SL2: Protection against intentional violation using simple means with low resources, generic skills, and low motivation.
  • SL3: Protection against intentional violation using sophisticated means with moderate resources, IACS-specific skills, and moderate motivation.
  • SL4: Protection against intentional violation using sophisticated means with extended resources, IACS-specific skills, and high motivation.

CCLab: a reliable and experienced partner in IIoT security

Our highly professional colleagues at CCLab are ready to assist you with the following services to conform and comply with the relevant IIoT standards and desired security levels:

  • Readiness evaluation
  • Gap analysis
  • Consultation and assistance with certification preparations
  • Workshops are available both online and on-site.
  • Documentation examinations
  • Audit and certification of secure product development lifecycle requirements (62443-4-1)
  • IACS component evaluation and certification technical security requirements (62443-4-2)

Furthermore, in collaboration with other companies of QTICS Group, we provide a broader variety of compliance services in the Energy & Industrial sector.

Contact us if you need professional support in your Industrial IoT security project.

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