The U.S. holiday shopping season officially opened with a deluge of "Black Friday" promotions but the frenzied crowds of the past have thinned out with the rise of e-commerce.

South Korean appliance giant LG Electronics replaced its CEO and a raft of other top leaders Thursday after net profits slumped more than 30 percent in the third quarter and its smartphone division struggles.

Ukraine has lashed out at Apple for showing the annexed Crimea peninsula as part of Russia, saying the US tech giant did not "give a damn" about the pain of the Ukrainian people.

Germany's economy ministry on Thursday said it planned to tighten rules on non-EU takeovers of hi-tech firms, against a backdrop of growing alarm about Chinese firms buying up German know-how.

U.S. officials said Wednesday they have agreed to grant licenses to "several" firms to provide components to Chinese tech giant Huawei, which faces sanctions imposed over national security concerns.

A 20-year-old Cypriot wanted for hacking offences in the United States is set to be the country's first citizen to be extradited there, his lawyer said Monday.

Facebook on Wednesday said it has nixed 5.4 billion fake accounts already this year, many within moments of being created at the leading social network.

Facebook on Tuesday said it is consolidating the system that handles payments at the social network and in its family of messaging apps.

Britain's main opposition Labor party said Tuesday it had suffered a "large-scale cyber attack" which undermined some of its campaign efforts for next month's election.

A "tsunami" of political disinformation is pounding Facebook users with the US presidential election still a year away, online activist network Avaaz said in a report released on Wednesday.