iPhones Have Been Exposing Your Unique MAC Despite Apple's ... - Slashdot
Dan Goodin reports via Ars Technica: Three years ago, Apple introduced a privacy-enhancing feature that hid the Wi-Fi address of iPhones and iPads when they joined a network. On Wednesday, the world learned that the feature has never worked as advertised. Despite promises that this never-changing address would be hidden and replaced with a private one that was unique to each SSID, Apple devices have continued to display the real one, which in turn got broadcast to every other connected device on the network. [...] In 2020, Apple released iOS 14 with a feature that, by default, hid Wi-Fi MACs when devices connected to a network. Instead, the device displayed what Apple called a "private Wi-Fi address" that was different for each SSID. Over time, Apple has enhanced the feature, for instance, by allowing users to assign a new private Wi-Fi address for a given SSID. On Wednesday, Apple released iOS 17.1. Among the various fixes was a patch for a vulnerability, ...