ASVS-V3.2.1 Security controls are in place to prevent browsers from rendering content or functionality in http responses in an incorrect context (e.g.,…

Verify that security controls are in place to prevent browsers from rendering content or functionality in HTTP responses in an incorrect context (e.g., when an API, a user-uploaded file or other resource is requested directly). Possible controls could include: not serving the content unless HTTP request header fields (such as Sec-Fetch-\*) indicate it is the correct context, using the sandbox directive of the Content-Security-Policy header field or using the attachment disposition type in the Content-Disposition header field.