A man in Australia has been arrested after allegedly placing fake QR labels over official Covid-19 check-in signs in South Plympton, Adelaide.

Google has failed to stop "shyster" websites advertising on its search engine, despite promising to fix the problem, the BBC has found.

There remains "little association" between technology use and mental-health problems, a study of more than 430,000 10 to 15-year-olds suggests.

Apple has added extra paid-for advertisements to its App Store, a week after its new operating system limited tracking for ads from other companies.

IBM says it has made a significant breakthrough in computer processors by creating a 2nm chip in its test lab.

Twitter has suspended an account sharing posts from former US president Donald Trump's new communications platform.

TikTok is facing a legal challenge from former children's commissioner for England Anne Longfield over how it collects and uses children's data.

Investigators at the largest fuel pipeline in the US are working to recover from a devastating cyber-attack that cut the flow of oil.

A Facebook moderator has for the first time given evidence revealing the mental toll of the job, to a parliamentary committee.

President Joe Biden has signed an executive order to improve US cyber-defences in light of recent attacks.