The gripping, behind-the scenes story of one of the most sophisticated surveillance weapons ever created, which is threatening democracy and human rights. 'Absorbing . . . a celebration of journalism and hacking being used to unmask the bad guys' - GuardianPegasus is almost certainly the most powerful piece of spyware ever developed. Installed by as little as a missed WhatsApp call, once on your phone it can record your calls, copy your messages, steal your photos and secretly film you. Those that control it can find out your daily movements: exactly where you've been, and.