Massive Microsoft Exchange hack caused by China, US and allies say | The Associated Press

WASHINGTON—The Biden administration and Western allies formally blamed China on Monday for a massive hack of Microsoft Exchange e-mail server software and asserted that criminal hackers associated with the Chinese government have carried out ransomware and other illicit cyber operations. The announcements, though not accompanied by sanctions against the Chinese government, were intended as a forceful condemnation of activities a senior Biden administration official described as part of a "pattern of irresponsible behavior in cyberspace." They highlighted the ongoing threat from Chinese hackers even as the administration remains consumed with trying to curb ransomware attacks from Russia-based syndicates that have…