Researchers at the Citizen Lab at the University of Toronto’s Munk School said the spyware, which is made by an Israeli company called QuaDream, infected some victims’ phones by sending an iCloud calendar invitation to mobile users from operators of the spyware, who are likely to be government clients. Victims were not notified of the calendar invitations because they were sent for events logged in the past, making them invisible to the targets of the hacking.

Read full article on The Guardian