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Questions tagged [ss7]

Signalling System No. 7 (SS7) is a set of telephony signaling protocols.

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7 votes
1 answer
574 views

Should 2FA over SMS be considered insecure in the wake of recent SS7 attacks?

Design flaws related to SS7 has been known to us for quite a while now but telcos have conveniently discarded the arguments saying that the risk is too low due to the significant investments required ...
hax's user avatar
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10 votes
2 answers
1k views

Is SS7 a threat any more?

I'm reading about an SS7 issue: SS7 flaw allows hackers to spy on every conversation. It seems to me that any phone on the world can be intercepted so the hacker can listen to your phone call or read ...
Phương Nguyễn's user avatar