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A question about secure chats
(sopuli.xyz)
Two questions.
My family insist on using Whatsapp for the family chats. I have to keep a copy on a device just so I can communicate with them. I do so under protest, as I was always told it isn't secure. My brother has just said
"oh Whatsapp is encrypted, it's perfectly secure".
First, is it actually as encrypted and safe as my brother claims? That would solve everything.
Second, if it isn't, where can I get some proof that we should switch to Telegram or whatever? Proof which doesn't make me look like a raving loony?
Also WhatsApp requests access to the phone book and is very hard to use if you deny access. This is very likely done because Facebook wants access to the stored numbers to build a social graph. Even if you personally don't mind, it is a gross privacy violation to share the phone number of other people with Facebook.
Question, how would you use a messaging app that identifies users trough phone numbers without giving it access to phone numbers?
By typing in the numbers, or selectively sharing them from the address book. This works fine on Signal, Telegram and Threema. Only Whatsapp makes it so that you have to share your entire address book with the app.
With some workarounds you can actually use whatsapp also without giving it access to your address book, which shows that it is clearly an intentional dark pattern by Facebook to make people share their entire address book with them to avoid the hassle.