Signal got called out for it because it actually happened to a user with the police. Of course it affects all apps. It's also local, so irrelevant to the discussion of networked/encryption hacks someone alleged above.
My point is that we simply don’t know what the police mean by “broke encryption”. It could be they are able Mitm the notifications server not that they’ve broken the whatsapp double ratchet.
My point is that we simply don’t know what the police mean by “broke encryption”. It could be they are able Mitm the notifications server not that they’ve broken the whatsapp double ratchet.