it's not possible to figure out which from this article, which provides no information. If anyone has a link to a better explanation, I'd love to read it.
The closest thing to a clue is this vague statement:
The intruder simply hooks into what the receiver is receiving (which is actually very complex).
which sounds to me like the intruder is, in essence, looking over the receiver's shoulder.
a) Complete BS, or
b) Not what it sounds like, but
it's not possible to figure out which from this article, which provides no information. If anyone has a link to a better explanation, I'd love to read it.
The closest thing to a clue is this vague statement:
The intruder simply hooks into what the receiver is receiving (which is actually very complex).
which sounds to me like the intruder is, in essence, looking over the receiver's shoulder.