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System integrity
Essentially , system integrity aims to prevent unauthorized access to automation systems , their data , and communication channels between them , as well as their manipulation . The goal is to avoid unplanned downtimes and protect intellectual property . This is achieved through integrated security features that prevent unauthorized configuration changes , secure network access , and protect configuration data from copying or manipulation . System integrity ensures that automated production processes are protected from external and internal threats , maintaining the reliability and security of the production environment .
The heart of all efforts : employees and a cybersecurity culture
In addition to the aforementioned technical measures , the human factor must not be overlooked : to enhance security in hydrogen production plants , a comprehensive approach is required , combining thorough employee training , strict access controls , and sophisticated authentication mechanisms . This strategy not only promotes a robust security culture but also minimizes the risk of human error and ensures that sensitive data and critical infrastructures are adequately protected .
Employee training , access control ...
A cornerstone of any effective security strategy is a comprehensive training program that equips employees with the tools and knowledge needed to recognize and defuse threats while fostering a company-wide awareness of cybersecurity . In conjunction with this knowledge , the principle of least privilege is applied , stating that access to sensitive data should only be granted to those whose role necessitates it ( so-called role-based access control , RBAC ). By limiting access to the respective function , companies can significantly reduce the likelihood of accidental or intentional data breaches . Regular audits and compliance checks strengthen this framework , ensuring that access rights are correctly assigned .
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... and robust authentication mechanisms
In conjunction with training and access controls , using strong authentication is essential protection against unauthorized access . Multi-factor authentication ( MFA ) enhances security by requiring users to provide multiple forms of verification before granting access to resources . This can include a combination of passwords , security tokens , and biometric verification , providing an additional layer of security beyond traditional passwordbased methods .
Amid the digital transformation , proactive protection against cyber threats is essential , regardless of regulations such as the EU General Data Protection Regulation . Siemens leverages its expertise as a manufacturer and provider of industrial automation and communication systems to assist integrators and operators of hydrogen plants in addressing these complex challenges . With a defense-in-depth strategy and thorough employee awareness , hydrogen production plants can drastically improve their cybersecurity . Ensuring the reliability and security of operations protects against constantly evolving threats . Siemens ’ comprehensive security strategies , including robust network components with effective security features and early integration of security aspects in design , engineering , and production , can drastically reduce risks . However , technology alone is not enough . Processes and organizational measures , as well as adaptation to individual requirements , are crucial . Siemens supports plant operators with Industrial Security Services to implement and continuously update a comprehensive multi-layered defense strategy .
Reference
ENISA . ( 2023 ). ENISA Threat Landscape 2023 .
Hydrogen Tech World | Issue 16 | June 2024 13