Home » BBC News - Technology » technology news » US cyber-attack: Hack of government agencies and companies poses 'grave risk' US cyber-attack: Hack of government agencies and companies poses 'grave risk' Unknown 11:37 PM BBC News - Technology technology news The US cyber-security agency says thwarting the attack will be "highly complex and challenging". from BBC News - Technology https://ift.tt/3myGKIa Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati