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IEC 62443 — Industrial Cybersecurity · August 22 · 3 min

IEC 62443: SDLC-Module Implementation

Industrial systems face unprecedented cyber threats, and traditional development approaches leave them dangerously exposed. IEC 62443 mandates a Secure Development Lifecycle—embedding security into every stage of software creation, from initial requirements through deployment and ongoing operations. Part of the Critical Systems Analysis functional-safety series on Industrial Cybersecurity. In this episode: This module builds security into every stage of software development. Secure Development Lifecycle, or S-D-L, is the systematic approach embedded in IEC 62443 . An effective Secure Development Lifecycle flows through five key phases. IEC 62443 mandates that security requirements be documented early and remain traceable. Threat modeling identifies attack vectors before code is written. Security testing is mandatory throughout development, not a final step. Reference: IEC 62443-4-1 applies to product development for components used in industrial automation and control systems. Four Security Levels (SL1-SL4) are defined, with escalating requireme More in this series: Explore more from Critical Systems Analysis. Partner with us Follow on LinkedIn Visit our website Read our feature on Automate.org All shows on Apple Podcasts: AI & ML Safety | Fault Tree Analysis | FS Assessment | Safety Analysis | IEC 61508 | IEC 62443 | ISO 10218 | ISO 12100 | ISO 13849 | ISO 26262 | ISO/PAS 8800 | ISO 26262-11 | V-Model | UL 4600.

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Industrial systems face unprecedented cyber threats, and traditional development approaches leave them dangerously exposed. IEC 62443 mandates a Secure Development Lifecycle—embedding security into every stage of software creation, from initial requirements through deployment and ongoing operations.

Part of the Critical Systems Analysis functional-safety series on Industrial Cybersecurity.

In this episode:

  • This module builds security into every stage of software development.
  • Secure Development Lifecycle, or S-D-L, is the systematic approach embedded in IEC 62443 .
  • An effective Secure Development Lifecycle flows through five key phases.
  • IEC 62443 mandates that security requirements be documented early and remain traceable.
  • Threat modeling identifies attack vectors before code is written.
  • Security testing is mandatory throughout development, not a final step.

Reference: IEC 62443-4-1 applies to product development for components used in industrial automation and control systems. Four Security Levels (SL1-SL4) are defined, with escalating requireme

More in this series:

Explore more from Critical Systems Analysis.

All shows on Apple Podcasts: AI & ML Safety | Fault Tree Analysis | FS Assessment | Safety Analysis | IEC 61508 | IEC 62443 | ISO 10218 | ISO 12100 | ISO 13849 | ISO 26262 | ISO/PAS 8800 | ISO 26262-11 | V-Model | UL 4600.

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