KnowraPRISM (surveillance program)Linked fromLinked fromThe 5 pages that link to PRISM (surveillance program), each with the reason it gives.All 5Broader topic 5Signals intelligenceBroader topic: Its disclosure prompted debate about digital collection, oversight, and privacy.Edward SnowdenBroader topic: Snowden’s materials described this program and its collection of foreign-intelligence communications.National Security AgencyBroader topic: PRISM became a prominent public example of NSA electronic surveillance.Glenn GreenwaldBroader topic: Greenwald’s reporting revealed documents describing PRISM’s role in NSA surveillance.Snowden disclosuresBroader topic: The disclosures showed how the NSA obtained stored communications through this program.