North Korea called Saturday for a joint investigation with the US into a crippling cyber attack on Sony Pictures, denouncing Washington's "slandering" after President Barack Obama warned Pyongyang of retaliation.
Sony Pictures on Wednesday cancelled the release of a comedy about North Korea that triggered chilling threats from hackers, as US investigators reportedly blamed Pyongyang for a damaging cyber-raid on the movie giant.
Microsoft said it had secured broad support from a coalition of influential technology and media firms as it seeks to challenge a US ruling ordering it to hand over emails stored on a server in Ireland.
Sony Pictures apologized for racially insensitive remarks about President Barack Obama in company emails, including an email in which Sony co-chairwoman Amy Pascal asks film producer Scott Rudin what she should ask Obama at a "stupid" fundraising breakfast.
A series of spectacular cyberattacks drew headlines this year, and the situation will only worsen in 2015 as hackers use more advanced techniques to infiltrate networks, security researchers at McAfee said.
North Korea denied Sunday involvement in a brazen cyber attack on Sony Pictures, but praised it as a "righteous deed" potentially orchestrated by supporters furious over a Hollywood comedy depicting a fictional CIA plot to assassinate leader Kim Jong-Un.
Sony Pictures staff received a threatening email Friday claiming to be from the hackers who breached the entertainment giant's computer network, reportedly with warnings that they and their families were "in danger."
A cybercrime gang in Kenya was "preparing to raid the country's communication systems" and possessed equipment capable of infiltrating bank accounts, Kenya's M-Pesa mobile banking system and ATM machines.