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INCREASING CYBER RESILIENCY IN CRITICAL POWER SECTOR: NEED OF THE HOUR
INCREASING CYBER RESILIENCY IN CRITICAL POWER SECTOR: NEED OF THE HOUR

May 15, 2023

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Since the 1970s, power companies have integrated digital technology for managing their grids. Over time, electric utilities have gradually implemented more automation and control features, taking advantage of the decrease in costs for digital technologies.

In a typical power plant, various devices and processes are controlled by computing systems and software. However, with the increasing level of automation and connectivity to IT systems and the internet, the systems are vulnerable to attack, leading to concerns about cybersecurity. These concerns have become a significant impediment to the adoption of IoT in the energy sector. In the World Economic Forum Global Risk Report 2020, cyberattacks were identified as one of the top ten global risks in terms of likelihood and impact. This global risk is even more dreadful when it comes to the critical power sector, necessitating a call to action.

Navigating Cyber Resilience in the Power Sector - Overcoming Challenges and Ensuring ReadinessThe power sector presents unique challenges for maintaining cyber resilience due to the need for high availability in real-time, complex interdependencies between systems, and the use of a mix of legacy and new technologies with long lifetimes. While the fundamental principles of cyber resilience are generally applicable across industries, they must be tailored to meet the specific needs and characteristics of the power sector.

Cyber threats to the electricity system are constantly evolving, making it necessary for all stakeholders to continuously assess their vulnerabilities and risk profile to maintain readiness and resilience. This includes being mindful of both the risks to the system and the risks posed by the system. Utilities must adopt proper asset management strategies to identify the capabilities and risks of their systems from both IT and OT perspectives to plan and respond effectively.

Measures to Ensure Cyber Cyber security

  1. Identifying Risks: Proactively identifying risks is a critical step in ensuring that operators of critical electricity infrastructure identify, assess, and communicate risks to relevant stakeholders for proactive mitigation. This can be achieved by regularly conducting system-level risk analyses to identify key threat scenarios and system vulnerabilities, classifying assets, systems, and interfaces according to their risk level, and facilitating public-private cyber risk information sharing. Regular SIEM (Security Information and Event Management) analysis can help to detect and respond to security threats in real time. Implementing security governance, risk, and compliance frameworks can also assist in the effective identification of risks.
  2. Managing and Mitigating Risks: Collaborating with stakeholders across the entire electricity system-value chain is crucial to effectively manage and mitigate risks. This includes working with electricity generation companies, transmission system operators, distribution companies, energy retailers, regulators and policymakers, and end-users. Additionally, accessible tools and guidance on best practices for cyber security and risk management strategies should be provided, and facilities should be made available to test and validate the effective implementation of cybersecurity measures and controls.

    Other measures to manage and mitigate risks in the electricity system include ensuring compliance with industry standards and regulations through configuration management tools. Cloud security measures can also be implemented to protect data and applications hosted in the cloud. Regular penetration testing can help to identify and fix vulnerabilities before they can be exploited. Access control and zero-trust network architecture (ZTNA) can also be implemented to ensure that only authorized users can access sensitive data and systems.

    1. Monitoring Progress: Monitoring progress is a key component of effective cyber resilience strategies. Policymakers, regulators, utilities, and operators should establish mechanisms to monitor and evaluate the effectiveness of cyber resilience measures across the sector, regularly test their cyber resilience capabilities and preparedness, and monitor and benchmark cyber resilience efforts against best practices and standards. Progress of cyber resilience measures can also be monitored by implementing security analytics to monitor network traffic and detect anomalies and security incidents in real-time and conducting regular cybersecurity training to educate employees and raise awareness about cyber threats.
    2. Responding and Recovering: Finally, responding to and recovering from cybersecurity incidents is crucial in limiting the impact on the electricity system and minimizing service disruption. This can be done by developing and regularly updating cyber incident response plans to ensure that the organization is prepared to respond to security incidents in a timely and effective manner, implementing security automation and orchestration to automate incident response processes and reduce response times. Implementing managed detection and response services to provide 24/7 monitoring and rapid incident response capabilities, conducting digital forensics to investigate and analyze security incidents and identify the root cause, and developing disaster recovery plans to ensure that critical systems can be quickly restored in the event of a cyber incident.  

     


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Aashish Kumar Goela
Associate Manager – Operations

GRAMAX Cybersec, a subsidiary of the GMR Group, has been founded with the goal of becoming a trusted partner for customers across multiple business verticals by leveraging the diverse experience of managing cybersecurity for critical infrastructure such as airports, power, and utilities. GRAMAX’s mission is to provide a comprehensive cybersecurity solutions and services offering that fosters “Trusted, Secure Partnerships” with customers and business partners in order to drive productivity, efficiency, and agility. GRAMAX is in a unique industry position to leverage GMR Group’s cross-functional expertise, which ensures security with professional manpower, techno security, and specialised services to address organisations’ comprehensive end-to-end security requirements. We strive to create the best environment for our customers to partner with us in securing their enterprise and protecting against any cyber or physical threat using our driving values “P.E.A.R.L” - Partnerships, Expertise

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