PRISM: The surveillance story that started with four leaked slides from the Washington Post, today gets a bit clearer. The publication has revealed four more annotated slides about the once-secret NSA operation, along with detailing the various levels of scrutiny from the FBI and NSA that happen before, during and after approved wiretaps take place. It seems that many of the measures make sure the data of US citizens’ gets mined to the smallest extent possible and that FISA rules are followed.
Detailing the process further, we now know that NSA analysts perform checks with supervisors to be certain intended targets are foreign nationals who aren’t on US soil; approval is provided by way of “51-percent confidence” in the assessment. During a “tasking process” search terms are entered, dubbed “selectors,” which tap into FBI gear installed within the private properties of participating companies — so much for those denials. For the live communications this data goes straight to the NSA’s PRINTAURA processing system, while both the FBI and NSA scan pre-recorded data independently. Notably, live surveillance is indeed possible for the likes of text, voice and and instant message-based conversations, according to notations that are given …read more