The boss of the Bombay Stock Exchange was recently targeted in what is a growing global problem.
Pokopia, a game mixing Animal Crossing and Minecraft, has been a surprise hit with critics.
The incidents highlight the vulnerability of key technology infrastructure during military conflicts.
Chief Executive Sam Altman said the group would prohibit the use of its systems to spy on Americans.
TikTok tells the BBC it won’t join rival platforms such as WhatsApp and Messenger in using end-to-end encryption.
Huge data centres are being built to handle AI computing but some experts say they aren’t necessary.
A host of technology is on offer to farmers, promising to raise farming yields and lower food prices.
Hundreds of miles from Denmark’s coast a project is underway to inject CO2 into an old oil field.