US Defense Secretary Ash Carter is due to unveil an updated cyber strategy on Thursday that will stress the military`s ability to retaliate with cyber weapons, a capability he hopes will help deter attacks.
Washington is "aggressively" warning Beijing over the repercussions of its demand that US tech firms should hand over their encryption keys if they want to do business in China, a top US official said Tuesday.
Japan, fearing it could be a soft target for possible North Korean cyberattacks in the escalating row over the Sony Pictures hack, has begun working to ensure basic infrastructure is safe and to formulate its diplomatic response, officials said.
The US has suffered a spate of cyber-attacks, reportedly from overseas, successfully infiltrating key government systems including the White House and National Weather Service and prompting authorities to shut down the unclassified e-mail system at the State Department.
The man in the olive drabs and oversized Soviet-style military cap who strode through South Korea`s main airport last week has climbed from an obscure desk job in North Korea to the most powerful position outside the ruling Kim family.
Beijing on Thursday strongly denied a US congressional panel`s claim that Chinese government-linked hackers had launched dozens of cyberattacks on American defence contractors, saying the charges were "fabricated out of thin air".