Chinese computer maker Lenovo becomes the victim of a cyber-attack following a warning by the US government about software called Superfish.

Cisco, Apple, McAfee and Citrix have all been dropped from China's official list of approved products, according to the Reuters news agency.

US users who are worried about a Facebook friend can now get them help from mental health experts, using a new suicide prevention tool.

Many of the firm's smart TVs were unable to connect to servers for two days after a problem emerged as the firm carried out a security update.

The US Federal Communications Commission votes in favour of tougher internet regulation, upholding the principle of net neutrality.