The Siemens Cybersecurity for Industry white paper highlights the growing threats to industrial automation systems amid increasing digitalization and connectivity. It introduces a multilayered “defense-in-depth” approach aligned with IEC 62443 standards, combining plant security, network security, and system integrity to counter internal and external attacks. Core strategies include Zero Trust principles, secure remote access, network segmentation, and role-based access controls. Siemens emphasizes holistic security, integrating technical measures, organizational processes, and continuous monitoring to safeguard critical infrastructure and ensure operational resilience.

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