They also do wiretaps, and the exact name of the program is not relevant.
Oh it’s way more pervasive.
That’s just what the public knows. It goes far beyond that.
Most of the good projects in DoD space have Star Wars names. BESPIN, JEDI, etc. PRISM is a mechanism, one aspect of a much larger machine.
They collect it straight from the company after it's already been transmitted. It's not a wiretap, it's more akin to an automated subpoena enforcement.