Microsoft says Chinese hacking group targeting security flaws in business email app | TheHill – The Hill
Microsoft warned Tuesday that a hacking group supported by the Chinese government is exploiting security flaws in an email program popular among American businesses.
The company said in a blog post that the group, named Hafnium, is trying to take advantage of previously unknown security weaknesses in the email application Exchange Server. Microsoft called on customers to update Exchange Server to fix four susceptibilities in the program.
Microsoft said it determined Hafnium was behind the hack based…