unless everyone is blatantly lying, it doesn't seem like it:
“This was a very advanced technique used by the threat actor against a limited number of high value targets. Each time the technique was used, it increased the chances of the threat actor getting caught,” said Google Cloud’s Mandiant senior vice president and chief technical officer Charles Carmakal. “Kudos to Microsoft for leaning in, figuring this out, remediating, collaborating with partners and being transparent.”
“Last month, U.S. government safeguards identified an intrusion in Microsoft’s cloud security, which affected unclassified systems. Officials immediately contacted Microsoft to find the source and vulnerability in their cloud service,” National Security Council spokesperson Adam Hodge said in a statement to The Wall Street Journal. “We continue to hold the procurement providers of the U.S. government to a high security threshold.”>
This either happens a lot or it happened a few weeks ago? I guess the official US statement is the news? Is it that the US is doing the same and so can't react too strongly or can they not prove it was the Chinese government? Seems kind of like it should be a bigger deal. Not long before nation-state cyberattacks are going to count similarly to actual nation-state physical attacks.
AP News initial report June 15
AP News Chinese denial June 16