Isn't it? SMS relies on SS7 to exchange messages. It may not be a direct attack on the network itself, but because of outside dependencies and a history of telc

Isn't it? SMS relies on SS7 to exchange messages. It may not be a direct attack on the network itself, but because of outside dependencies and a history of telcos trusting themselves to get it right (or simply not caring when it's wrong), this attack successfully results in messages getting routed elsewhere on the network.