Making sure that deleted messages are actually deleted and unrecoverable is more involved than most folks think. The FBI could recently recover deleted Signal messages from an iOS phone because the notifications you see on your phone were stored in an extra database. Apple has now fixed this, also making #deltachat iOS users safer. Few know that so called "forward secrecy" is all about deleted messages becoming unrecoverable, see https://autocrypt2.org for our plans
https://www.heise.de/en/news/FBI-extraction-of-deleted-Signal-messages-Apple-secures-iPhones-better-11269038.html
Delta Chat
npub16z…v4ynp
2026-04-23 15:16:09 UTC
Author Public Key
npub16zxpwcght62n7q4j88uj6ynehdqfzk572rues3y2tshr0vehfwjq2v4ynpSeen on
wss://relay.ditto.pubPublished at
2026-04-23 15:16:09 UTCEvent JSON
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"content": "Making sure that deleted messages are actually deleted and unrecoverable is more involved than most folks think. The FBI could recently recover deleted Signal messages from an iOS phone because the notifications you see on your phone were stored in an extra database. Apple has now fixed this, also making #deltachat iOS users safer. Few know that so called \"forward secrecy\" is all about deleted messages becoming unrecoverable, see https://autocrypt2.org for our plans\n https://www.heise.de/en/news/FBI-extraction-of-deleted-Signal-messages-Apple-secures-iPhones-better-11269038.html",
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