原来signal泄漏的消息都是通过系统推送泄漏的
https://9to5mac.com/2026/04/09/fbi-used-iphone-notification-data-to-retrieve-deleted-signal-messages/![FBI used iPhone notification data to retrieve deleted Signal messages [Update] - 9to5Mac](/static/https://cdn4.telesco.pe/file/WOlPtzx3gEMhLQPZb4kMwZkWN5cAqjNX4AmAXdGIsGJjM-tTUaXXW2pZq_IyuqPfuPNPtJyf2PxNuR0SOfLXppf4eK4jk8fJ7v3MU1LiiF0XXFDPM2KPPU5S78149cTL52whD1xqzf4sAabaXaDVpdKNrS-jDcD_ucGrI4hF7UT-9f9xP8k1ivyW6H--oCQu3N_Uw-55rKFn17KCwg7WKFOwy26fT2uMikW0uWLLB3hNADb-0Fp0fiLdivshNcyB4eqZJZy8Yx9ESkcNG12zs_MMEHOjh6Cjg7jqYkiMom8UWWriSCPLkHypIMqoaHKg1b4lO2XnoiWfHwxsz_PZrg.jpg)
https://9to5mac.com/2026/04/09/fbi-used-iphone-notification-data-to-retrieve-deleted-signal-messages/
9to5Mac
FBI used iPhone notification data to retrieve deleted Signal messages [Update] - 9to5Mac
The FBI was able to recover deleted Signal messages from an iPhone by extracting data stored in the device’s notification database.
