alt Hacker NewsWhile it's definitely surprising that the OS caches this data after the notifications have been swiped away, I always thought that notifications are an obvious hole in the whole E2E encryption setup.
While it's definitely surprising that the OS caches this data after the notifications have been swiped away, I always thought that notifications are an obvious hole in the whole E2E encryption setup.
AIUI, Signal push notifications just saying a message was received. Signal then fetches the E2E encrypted message from the server and decrypts it locally. So Apple/Google cannot read the messages, nor can Signal servers.