Back then, Microsoft had pointed the finger at Hafnium, a highly skilled and sophisticated Chinese hacker group.
To date, Hafnium is the primary actor weve seen use these exploits.
They have been charged with conspiracy to commit computer fraud and conspiracy to commit economic espionage.
#NATOstands in solidarity with all those affected by malicious cyber activities, including the Microsoft Exchange Server compromise.
source: www.techworm.net