State-Sponsored Hackers Likely Exploited MS Exchange 0-Days Against ~10 Organizations

Microsoft on Friday disclosed that a single activity group in August 2022 achieved initial access and breached Exchange servers by chaining the two newly disclosed zero-day flaws in a limited set of attacks aimed at less than 10 organizations globally.
"These attacks installed the Chopper web shell to facilitate hands-on-keyboard access, which the attackers used to perform Active Directory

exchange hackers organizations sponsored state