You created a Real-time Protection policy that blocks all activities to non-corporate S3 buckets, but...

To solve the problem of normal websites not rendering properly due to a Real-time Protection policy that blocks all activities to non-corporate S3 buckets, the best solution is to create a Real-time Protection policy to allow the Browse activity to the Cloud Storage category. This approach will enable users to view content from various cloud storage services, including Amazon S3, without allowing full access to non-corporate S3 buckets. It’s a more granular and less restrictive policy that allows necessary browsing activities while still maintaining control over the upload and download activities to non-corporate buckets1.