22 December 2014 11:39
North Korea threatens unspecified attacks on the US as it escalates a war of words over the Sony Pictures cyber attacks.
22 December 2014 08:26
China is "against all forms of cyber attacks", its foreign minister says in a conversation with John Kerry about the Sony hacking controversy.
22 December 2014 08:12
How tech can help you concentrate better
22 December 2014 04:03
South Korea's nuclear plant operator is to conduct drills testing its ability to withstand a cyber-attack, after a data leak and threats from a hacker.
22 December 2014 00:06
The BBC's Richard Taylor tests out a hoverboard that uses magnetic levitation.