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Cyber security for critical industries
Energy and Utility (E&U) companies are under pressure from multiple business challenges that directly impact their cyber security posture. As key components of a nation's Critical Infrastructure, E&U organizations are often the first to face rising threats.
Similar challenges also affect industries such as Oil & Gas, Chemicals, Industrial Products, Manufacturing, Travel & Transportation, Mining, and Medical Devices. However, sectors like Energy, Smart Grid, and Utilities face distinct threats due to their role as infrastructure providers and their reliance on complex, distributed networks and Operational Technology (OT) systems.
This combination makes them prime targets for cyberattacks, demanding tailored, sector-specific protection strategies.
Cyber Risks related to IT, OT, and IoT
The integration of operational technology (OT) and information technology (IT) increases the attack surface. Systems like SCADA and DCS, once isolated, are now connected to corporate networks, exposing them to threats. Devices such as smart meters and smart grids are vulnerable because they are installed outdoors and physically accessible. Attacks may include firmware access, sniffing, DoS, and cryptographic key theft.
Devices not designed with security in mind
Many components outside the corporate IT perimeter were not originally developed with security as a priority. Smart meters and smart grid systems are growing targets due to their widespread deployment, physical accessibility, and the lack of regular patching and updates.
Growing threats and new vulnerabilities
In recent years, the number of severe incidents and publicly disclosed attack vectors has risen, including cases reported by national CERTs. Both untargeted and targeted cyberattacks have compromised non-patchable OT systems worldwide, impacting energy generation and distribution processes.
IT-OT Convergence
The interconnection between IT and OT has made risks more complex. IT and OT teams often do not collaborate effectively, leaving security gaps. OT systems (e.g., SCADA, RTU) operate in real time and are not always compatible with IT security controls. A harmonized approach is needed to address joint threats.
Innovation brings new complexity
Technologies such as renewable energy, battery storage, microgrids, and Distributed Energy Resources (DER) increase system complexity and introduce more digital entry points. As these technologies rely on connected infrastructure, the attack surface grows significantly.
Secure digital transformation
To reduce operational costs (OPEX) and address outdated infrastructures, utilities are adopting digital technologies such as the cloud. The cloud enables scalability, reduced TCO, rapid application deployment, and improved operational visibility. Distributed technologies (solar, wind, fuel cells) require new solutions for power quality, stability, protection, and control issues.
Regulatory compliance and supply chain risk
Energy & Utilities companies are under constant regulatory oversight and face increasingly strict compliance requirements: NIST, NERC, GDPR, ISO/IEC, local regulations, and environmental mandates.
Compliance is now one of the sector’s top concerns. Regulatory and reporting requirements are rapidly increasing, driven by environmental goals and growing consumer price sensitivity. This dynamic is enabling the rise of new business models for both traditional utilities and new market entrants.
Although frameworks like NIST CSF, NIS, NERC CIP, and ISO/IEC 62443 offer guidance, they are often insufficient to prevent recent, sophisticated attacks, especially in OT environments.
At the same time, supply chain risks are becoming more critical: counterfeit components, malicious code, or backdoors introduced by third-party vendors can compromise the entire energy infrastructure.