✦ A socio-technical framework for safety-critical systems

SToC Framework

Explain why safe systems fail when safety, technology and culture drift apart.

The SToC framework helps researchers, operators, regulators and students analyse how technological dependency, organisational culture and safety controls interact under pressure.

Framework Analyses Journals Resources

SToC model

Interaction Map

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01

Safety

Controls, Defences, Resilience and Operational Risk

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02

Technology

Automation, Interfaces, Data, AI/ML, System Dependency and Evolution

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03

Organisational Culture

Training, Norms, Incentives, Control, Authority Gradients and Reporting Cultures

The home of the SToC Framework, with ongoing analysis and worked examples as the model develops.

Includes a framework explanation, searchable analysis hub, draft and published works.

SToC Framework

SToC Framework

Presenting the Safety, Technology, Culture, +RC and +RRC as a coherent model.
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Analysis Hub

Publish incident analyses, research notes, teaching examples and public commentary.
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Journal Papers

Periodic publications featuring articles to highlight the model and share new findings.
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Teaching Resources

Use the framework for lectures, case studies, seminar discussion and applied safety analysis.

SToC Knowledge Hub

Explore safety-critical systems through the SToC framework

Access framework guidance, public analysis, journal papers and resources focused on the interaction between Safety, Technology, Organisational Culture, +RC and +RRC.

Explore the site

Framework Contribution Analysis Journals Resources