# F9.5 Conduct stringent security checks and vendor assessments

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{% tab title="Principle" %}
[F9 Focus on future sustainability](https://safedpi.gitbook.io/safeguards/universal-dpi-safeguards-framework/principles/foundational-principles/f9-focus-on-future-sustainability)
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{% tab title="Risk" %}
[SV5 Unsustainability](https://safedpi.gitbook.io/safeguards/universal-dpi-safeguards-framework/risks/risks-to-structural-vulnerabilities)

[SV3 Weak institutions](https://safedpi.gitbook.io/safeguards/universal-dpi-safeguards-framework/risks/risks-to-structural-vulnerabilities) 
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{% tab title="Lifecycle Stage" %}
[L2 Strategy and Design](https://safedpi.gitbook.io/safeguards/universal-dpi-safeguards-framework/responsible-authorities/r3-donor/l2-strategy-and-design-old)
{% endtab %}
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## Practices

> * Confirm a reliable supply chain for all system components through a rigorous process of vetting supplier

## Resources

<table data-view="cards"><thead><tr><th></th><th></th><th></th></tr></thead><tbody><tr><td></td><td><mark style="color:yellow;"><strong>Case Study</strong></mark></td><td>( to come soon..)</td></tr><tr><td></td><td><mark style="color:yellow;"><strong>References</strong></mark></td><td></td></tr></tbody></table>