In recent years, cyberattacks targeting critical infrastructures such as power grids, transportation systems, financial institutions, and water treatment facilities have increased in frequency and sophistication. One of the biggest challenges facing critical infrastructure operators today is the potential for human error to contribute to a system compromise or outage.
With many of these systems reliant on complex technological solutions, it can be easy to overlook the important role played by humans in maintaining their safety and integrity. However, without robust measures to mitigate human error, these crucial services remain vulnerable to attack.
This article explores the unique risks posed by human involvement in cybersecurity, particularly in relation to critical infrastructure operations, and offers suggestions for addressing them.
Human Error: A Significant Risk Factor
Humans often act as both weak links and key enablers in critical infrastructure cybersecurity. While technology may provide defensive protections for systems, humans play a central role in ensuring that those safeguards function effectively.
Unfortunately, simple mistakes, poor judgment, or lack of knowledge among personnel can lead to significant security breaches. Phishing scams, social engineering tactics, and unintentional sharing of sensitive information via email represent just a few common examples of human-initiated threats to critical infrastructure security.
Moreover, even trained professionals sometimes fall victim to malware, ransomware, and other advanced persistent threats, further emphasizing the significance of this risk. To adequately protect our most vital systems, it is essential to confront the realities of human fallibility head-on.
To combat the risk posed by human involvement in critical infrastructure cybersecurity, several strategies should be implemented.
- Comprehensive Training
All personnel involved in operating critical infrastructure, from top executives down to line workers, must receive regular, comprehensive training aimed at promoting safe online habits, recognizing potential security incidents, avoiding common pitfalls (such as phishing emails), and knowing whom to contact in case of emergencies. It’s not possible to understate the importance of developing a “culture of security.” When everyone knows what to do and feels personally invested in the protection of the company’s assets, we stand a much greater chance of thwarting attacks before they cause major problems.
- Regular Exercises
Continuous training and education are essential components of effective cybersecurity for critical infrastructure. Regular exercises, workshops, and simulations help reinforce responsible practices for handling sensitive information and detecting malicious activity. By fostering a culture of proactive learning and improvement, companies can raise general awareness among staff members regarding their roles in preserving the integrity of critical systems. Additionally, education can teach personnel how to identify and respond appropriately to novel threats, improving overall resilience.
- Access Control
Rigorous user authentication and access control measures must be put in place to limit the chances of unauthorized individuals gaining access to critical systems. Biometric identification techniques and multi-factor authentication practices help ensure that only authorized persons are granted entry. By implementing strict access controls, operators can significantly minimize opportunities for adversaries to exploit human frailties through social engineering or other forms of intrusion.
- Incident Response Plans
Comprehensive incident response plans should be developed and regularly reviewed to guide quick and efficient responses in the event of a serious security breach. Effective crisis management can greatly reduce damage inflicted upon a critical infrastructure organization by engaging specialized recovery teams rapidly and coordinating communication between stakeholders. Robust planning helps alleviate confusion, delays, and incorrect decision-making during high-pressure situations.
- Collaboration between Industry and Government
Strong collaboration between industry and government entities facilitates more expansive monitoring and prevention efforts across sectors and regions. Public-private partnerships offer multiple benefits, including joint research projects, shared intelligence resources, and collaborative development of best practices. Through cooperative relationships, communities can better defend themselves against evolving cyber threats by pooling expertise, funding, and infrastructure protection capabilities.
Overall, addressing human vulnerability remains crucial for ensuring robust cybersecurity in critical infrastructures like smart grids. Even though advanced technologies may provide significant protections, humans remain the weakest link in the system due to natural flaws, imperfections, and cognitive limitations. Despite these shortcomings, acknowledging the impact of fallible actors, setting expectations, and establishing ethical boundaries enable human participants to become part of the solution rather than exacerbating risks. Recognizing and compensating for unavoidable vulnerabilities helps build stronger defences that leverage collective strengths instead of relying exclusively on technology. Ultimately, integrating humanity into the equation leads to smarter decisions and enhanced safeguards for society’s most vital assets.
While we cannot eliminate human errors for operators, our thorough commissioning process includes comprehensive training for utility staff to minimize them as much as possible. By addressing this important aspect of cybersecurity head on, our technology contributes to safer, more reliable energy distribution (DMS) – and advanced metering (AMI) networks around the world. Contact us to learn more!
Editor's note: This article was originally published in July 2023 and has been updated for comprehensiveness.