An entrepreneur makes an app that lets her have conversations with a virtual version of a deceased friend.

The vice-president of ads is criticised for tweeting Russian-bought ads were not designed to sway the US election.

Messages containing a letter from India’s Telugu language caused devices to crash.

US firm’s clients told to update their settings and lock down data before it is stolen.

More than 25% of local authorities had computer systems breached from 2013-17, campaigners say.

A team of engineers trek into the remote region to bring a community electricity for the first time.