Source: https://msrc.microsoft.com/blog/2024/06/improved-guidance-for-azure-network-service-tags/
Summary Microsoft Security Response Center (MSRC) was notified in January 2024 by our industry partner, Tenable Inc., about the potential for cross-tenant access to web resources using the service tags feature. Microsoft acknowledged that Tenable provided a valuable contribution to the Azure community by highlighting that it can be easily misunderstood how to use service tags and their intended purpose.
Sourced from post