Signal is not the place for top secret communications, but it might be the right choice for you – a cybersecurity expert on what to look for in a secure messaging app
theconversation.comKeeping your chats secure is a good idea, but end-to-end encryption is just the beginning of the list of options to consider when picking a messaging app.
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RCS still leaks metadata like a sieve. Encryption, considering the platforms that exist today (Signal and SimpleX), should not be the minimum requirement. Plain-text messaging should not even be possible in modern secure messaging platforms. The platform should be open source and be engineered to mitigate the collection of metadata - like Signal and SimpleX.
Seeing as RCS with encryption based on the MLS standard hasnt been deployed yet, can you show exactly what metadata is leaking?
MLS only deals with encryption and key management, which is great but that’s been a “solved” problem since TextSecure (now Signal) introduced the TextSecure Protocol (now the Signal Protocol) in 2013.
What I’m aware is missing with RCS / MLS compared to Signal (someone with more recent knowledge please correct me):
Well, instead of leaking metadata to Signal, AWS, Cloudflare, Google/Apple and your ISP, like Signal does, RCS only leaks it to your ISP /s