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Exposing The Flaw In Our Phone System - YouTube (www.youtube.com)
submitted 2 years ago by to c/privacy@lemmy.ml
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SS7 is vulnerable to attack. However, the types off attacks on the video don't affect Signal as it requires a pin. (Make sure you set your pin to something strong and secure)

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[–] 2 points 2 years ago

I found it confusing. Did he explain how the IMSI number is obtained?

Towards the end he said there was a special “interrogation” command that would reveal the IMSI but that loophole is now closed.

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