Microsoft is warning about the potential abuse of Azure Service Tags by malicious actors to forge requests from a trusted service and get around firewall rules, thereby allowing them to gain unauthorized access to cloud resources.
“This case does highlight an inherent risk in using service tags as a single mechanism for vetting incoming network traffic,” the Microsoft Security Response Center (

Microsoft is warning about the potential abuse of Azure Service Tags by malicious actors to forge requests from a trusted service and get around firewall rules, thereby allowing them to gain unauthorized access to cloud resources.
“This case does highlight an inherent risk in using service tags as a single mechanism for vetting incoming network traffic,” the Microsoft Security Response Center (