“Pegasus” lifts the lid on a sophisticated piece of spyware

Fifteen years after the launch of the iPhone, most people understand the bargain with smartphones. You get navigation anywhere in the world, the web and email on the go and as much music as you can stream—but first you must sacrifice a bit of privacy. Your location, preferences and habits will be transmitted to some faceless corporation to be parsed for insights and sold on to advertisers keen to sell you shampoo or car insurance.