Shopify: Unauthenticated access to Zendesk tickets through athena-flex-production.shopifycloud.com Okta bypass

Summary athena-flex-production.shopifycloud.com seems to be an internal system that Shopify uses because it redirects user to Okta login. During this however, I noticed that it first returns 200 and then does a redirect meaning some part of the website loads before redirecting. With this, I was...