The clever cryptography behind Apple’s “Find My” feature
Enlarge / The 2018 15-inch Apple MacBook Pro with Touch Bar. (credit: Samuel Axon) When Apple executive Craig Federighi described a new location-tracking feature for Apple devices at the company’s Worldwide Developer Conference keynote on Monday, it sounded—to the sufficiently paranoid, at least—like both a physical security innovation and a potential privacy disaster. But while security experts immediately wondered...