British Airways’ air-miles accounts, the coding site GitHub and the work chat service Slack have all been hit in the latest wave of cyber-attacks.
The firms have all notified their users of the incidents, which varied in approach and do not appear to be connected.
In addition, several Uber users have complained of their accounts being hacked.
However, the car pick-up service said it had “found no evidence of a breach”.
The firms have dealt with the attacks in different ways, and BA has been criticised for how it responded.
Read the full story at BBC News