NSA&#x27;s setup isn&#x27;t simply SS7 though, and it&#x27;s probably entirely passive at that.[0] They operate on an industrial scale and have every facet down to a science.<p>Granted, field operatives who carry active cellphones with them while conducting a tail are probably bad at their job to begin with, so you&#x27;re probably right in that the damage isn&#x27;t much.<p>[0] <a href="https:&#x2F;&#x2F;www.washingtonpost.com&#x2F;news&#x2F;the-switch&#x2F;wp&#x2F;2013&#x2F;12&#x2F;10&#x2F;new-documents-show-how-the-nsa-infers-relationships-based-on-mobile-location-data&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.washingtonpost.com&#x2F;news&#x2F;the-switch&#x2F;wp&#x2F;2013&#x2F;12&#x2F;10...</a>