In the quiet architecture of digital trust, Apple's Private Relay — a premium promise of anonymity sold to millions of iCloud+ subscribers — has been found to unravel at precisely the moment users reach for a newer, more secure way to log in. Researchers discovered in early August that three vulnerabilities in WebKit, the engine underlying every iOS browser, can expose the real IP addresses of users who believed themselves protected, with passkey authentication serving as the unwitting key that unlocks the leak. The flaw is not merely technical; it is a parable about the limits of privacy as a