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Is Signal messaging really private?
(lemmy.ml)
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this post was submitted on 08 Sep 2025
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Privacy
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Depends on your threat model, as always. If you require absolute anonymity, it's tricky, because it uses phone number during the onboarding process, so get an anonymous pre-paid number and discard it after registration. After onboarding you don't need the number.
For the rest, it's about as "private" as you make it. It supports group messaing, calls and video, so obviously you need to be careful while using it. Everything is e2e encrypted and stays on your local device, the source is available and has been extensively audited. The company itself is non-profit and has sensible privacy policy.
But yeah, your threat model is the key answer to your question
That's not something that exists in many countries. SIM-cards have to be attached to a real world identity by law.
It exists on the internet, so it exists in every country.