An initial investigation links a Chinese address to a South Korean cyberattack, but experts have not ruled out North Korea's participation.
Google says nearly one out of every two people on the internet visit its video-sharing site.
The latest Android smartphone could prompt the iPhone maker to accelerate new designs.
U.S. Treasury Secretary will press China to take "serious steps" to stop cyber attacks directed at the U.S. and to accelerate reforms.
The U.S. and Chinese Presidents addressed rising concerns about hacking attacks in a phone call.
China says it is willing to cooperate with the United States in cybersecurity after the U.S. called on it to take "serious steps" to stop cyberattacks.
White House aide said cyber intrusions from China jeopardize the two countries' current economic relationship.
No comment was made on the origin of the hacks.
Brazil, Russia, India and China are still behind developed countries in implementing critical policies for cloud technologies.
The black market trade of ivory in cyberspace is threatening Africa's elephant population.