This is pretty bad, some hacker group from China (Storm-0558) stole Azure AD signing keys from Microsoft that practically affect any Microsoft cloud service and could be used to impersonate any Microsoft cloud user.
********* **** **** ************ ******** ****** *** *******, *******, it ****** *** ** ** **** more **** ****, ***** ******** ********** **** ****** **** that *** ****** ******** ** *** Azure ** ************** ******.
*** ** **** *** '********' ** 'stolen' ** **** *** **** ****?
**** **** *** *** *** '***********' but ** *** ********** ** *** those ******* ******* **** **********, **** repeatedly *** ********.
****, *** ***** ******* ** *** forward-looking - **** *** ****** ** now **** ** **** *** *** key *** ******** ** ******* ******* - **** ** **** **** ** how **** ******** **?