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A comment on Stingray, the fake cell phone tower. Parent comment

Re:Stingray, the fake cell phone tower by chmars on Monday July 28, 2014 @06:43AM (#8096006)
The police has no agreement with the telcos, in the contrary, IMSI catchers ('Stingrays') are a convenient way for lawful interception without involvement of telcos. From a telco's perspective, IMSI catchers kind of hack their network. In any case, you can build your own IMSI catcher, German hackers – among others – published instructions already years ago.
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Re:Stingray, the fake cell phone tower by tmosleyIII on Monday July 28, 2014 @07:14AM (#8096071)
There are agreements in place
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Re:Stingray, the fake cell phone tower by chmars on Monday July 28, 2014 @11:11AM (#8097182)
Do you have a source for that? Basically, IMSI catching does not require any cooperation with telcos. On the other hand, it is easy to imagine that some telcos might betray their customers – especially under the cover of secrecy.
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Re:Stingray, the fake cell phone tower by tmosleyIII on Monday July 28, 2014 @02:00PM (#8098343)
There are sources available that can be found with some digging. I'm just speaking on the stuff that relates to the work I do.
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