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Which is more secure, Signal, Threema, or Teleguard? (lemdro.id)

submitted 1 month ago by Larryx@lemdro.id to c/PrivacyGuides@europe.pub

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I've been using Signal and Teleguard, but not Threema because it's a paid app. Which one is the most secure?

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[–] Multiplexer@discuss.tchncs.de 2 points 1 month ago* (last edited 1 month ago) (1 children)

It's mainly about Teleguard apparently being completely closed source and using an unknown proprietary encryption protocol.
Personally I would omit it based on this and use it only for non-sensitive stuff if completely omitting were not possible.

[–] Larryx@lemdro.id 2 points 1 month ago

Yes, Teleguard is not particularly reliable, even though it is owned by Swisscows, a company that has its own search engine and secure alternatives to Google. Furthermore, Teleguard is not that old; it was launched in 2021.