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MB-R289

HUMAN VERIFICATION REQUIRED ASVS 3.6.1 External asset integrity (when external_assets is used)

MB-C18 ASVS Level 3 Human Assurance Medium

Client-side assets, such as JavaScript libraries, CSS, or web fonts, are only hosted externally (e.g., on a Content Delivery Network) if the resource is static and versioned and Subresource Integrity (SRI) is used to validate the integrity of the asset. If this is not possible, there should be a documented security decision to justify this for each resource.