the NSA
noun
ukusGOVERNMENT
a USgovernmentorganizationresponsibleforcheckingforeigncommunications,especiallythose that could be athreatto the country'ssafety, as well asprotectingitsownelectroniccommunications:
There wasdisagreementwithin theJusticeDepartmentaboutthe NSAactivitiesorderedby thepreviousadministration.
NSAprogram/surveillance