Wired examines the Signaling System No. 7 network, and how its vulnerabilities have caused major problems for smartphone security. SS7 is a set of technical rules for how data gets exchanged in cellular networks, mainly involving computing cellular billings, texts, and assisting when users are roaming. The vulnerability in the network was revealed last week during a “60 Minutes” episode in which researchers demonstrated how they could hack into Rep. Ted Lieu’s, D-Calif., smartphone. Lieu has since called for a congressional hearing on SS7, and the Federal Communications Commission has said it will examine the issue as well.
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