WebKit leaks in iOS & macOS expose user data in spite of proxy use

Apple requires all browsers to use WebKit on iPhone, so a report suggests every browser is affected by three separate leaks that can hand off information around a proxy or iCloud Private Relay . WebKit browsers can leak data past proxies and iCloud Private Relay When users install proxy browsers or Tor, they expect absolute privacy while navigating the web. However, one developer has discovered that three separate data leaks can occur while using WebKit browsers on iOS or macOS .