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Digitalisation has been a theme that has been heavily adopted in the power sector in recent years. Consequently, the importance of cyber security in the power sector has commensurately increased with the adoption of more and more digital devices. This trend is set to continue in the future as technologies such as augmented reality (AR), artificial intelligence (AI), drones, and others increase in their utility through technological advances—their adoption will increase, and cyber-attacks will rise in threat. 

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The benefits of digitalisation are wide-ranging, but cybersecurity is the Achilles heel of digitalisation. Given the destructive nature of a cyber-attack on a power company, ensuring resolute cybersecurity is just as important as any attempts to digitalise assets and processes. 

Leading power cyber security companies in the energy sector

Leading vendors have developed cutting-edge technologies focused on the internet of things (IoT), the industrial IoT (IIoT), and operational technology (OT) defence. Leading adopters have either invested in products or services or developed them in-house. 

Leading adopters of cybersecurity in the energy sector include Duke Energy, Engie, E.ON, Electricite de France, Iberdrola, Duke Energy, General Electric, and Siemens. 

Discover the leading cybersecurity companies in the power sector

Using its experience in the sector, Power Technology has listed some of the leading companies providing products and services related to cybersecurity in the power sector. 

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The information provided in the download document is drafted for cybersecurity executives and technology leaders involved in cybersecurity solutions. 

The download contains detailed information on suppliers and their product offerings, alongside contact details to aid purchase or hiring decisions. 

Amongst the leading cybersecurity suppliers are Bitdefender, Claroty, Nozomi Networks, Rhebo, Siemens (Eos.ii), Kognitiv Spark, and Mission Secure.

Related Buyer’s Guides which cover an extensive range of power and energy equipment manufacturers, solutions providers and technology, can also be found here.

Future of power cyber security in the energy sector 

As we move toward an increasingly online world, the importance of cybersecurity for power utilities will only increase. Spending on cybersecurity in the energy sector is headed for strong growth in the first half of the 2020s and is forecast to reach $10bn by 2025, rising at a compound annual growth rate (CAGR) of 9.1% between 2019 and 2025. 

The strongest growth will be in software, which will record a CAGR of 12.5% between 2019 and 2025, rising from $2.5bn in 2019 to $4.8bn in 2025. Over the same period, hardware spending will increase from $1.2bn to $2bn, a CAGR of 9.3%. Services will record the smallest CAGR, 4.6%, rising from $2.3bn in 2019 to $3.1bn in 2025.

For full details (including contact details) on the leading companies within this space, download the free Buyer’s Guide below:

Frequently asked questions

  • What is the role of cybersecurity in the power sector?

    Cybersecurity in the power sector is critical for protecting infrastructure from cyberattacks that could disrupt electricity distribution and compromise sensitive data. As digitalisation and the Internet of Things (IoT) are increasingly integrated into power systems, securing networks, devices, and operational technology (OT) has become essential for safeguarding the industry from external threats and maintaining continuous operations.

  • What are the main threats to power industry cybersecurity?

    The power sector faces threats such as malware, ransomware, phishing attacks, and advanced persistent threats (APT). These attacks can target operational technology (OT) and industrial control systems (ICS), leading to disruptions in power supply or even physical damage to infrastructure. As power systems rely more heavily on digital platforms and smart grids, the risk of cyber intrusions grows, making robust security measures vital.

  • How does IoT impact cybersecurity in the power industry?

    IoT devices are increasingly used in the power sector to monitor and control grid operations, enhance efficiency, and reduce costs. However, these connected devices also introduce new vulnerabilities, as each one presents a potential entry point for cyberattacks. Securing IoT networks, ensuring firmware updates, and monitoring device communication are key to minimising risks in power infrastructure.

  • What are the benefits of implementing advanced cybersecurity solutions for power utilities?

    Advanced cybersecurity solutions offer real-time monitoring, threat detection, and automated response capabilities, significantly reducing the time it takes to identify and neutralise cyber threats. By securing both IT and OT environments, power utilities can ensure system resilience, prevent costly downtimes, and protect critical infrastructure. These solutions also help utilities comply with regulatory requirements, improving overall governance and risk management.

  • How is cybersecurity evolving to meet future challenges in the power sector?

    As the power industry continues to digitalise, cybersecurity is evolving to incorporate artificial intelligence (AI), machine learning, and automation. These technologies enable better threat detection and predictive analysis, helping power companies stay ahead of potential attacks. Additionally, new security frameworks are being developed to address the unique needs of operational technology (OT) environments, ensuring that power grids remain secure as they modernise and integrate renewable energy sources.