Investigation by investigative journalism outlet IStories (EN version by OCCRP) shows that Telegram uses a single, FSB-linked company as their infrastructure provider globally.

Telegram's MTProto protocol also requires a cleartext identifier to be prepended to all client-server messages.

Combined, these two choices by Telegram make it into a surveillance tool.

I am quoted in the IStories story. I also did packet captures, and I dive into the nitty-gritty technical details on my blog.

Packet captures and MTProto deobfuscation library I wrote linked therein so that others can retrace my steps and check my work.

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[–] [S] 31 points 1 year ago

For the internet messenger functionality that would be Signal.

For other things (channels, mostly), anything that does not pretend to be end-to-end encrypted when it is not. A website with an RSS feed would be one trivial choice for channels that are open to anyone. Public communication like that has no business going through "platforms".

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