U.S. Department of Homeland Security issues emergency directive in response to the ongoing HAFNIUM attack campaign which poses “unacceptable risk”
The ongoing attacks on Exchange Server, attributed by Microsoft to a Chinese state-sponsored threat group identified as HAFNIUM, have now been declared an “unacceptable risk to Federal Civilian Executive Branch agencies” by the U.S. Department of Homeland Security: an unacceptable risk that requires emergency action.