Person of Interest
Kelly Air Force Base
Finch infiltrates a covert USCYBERCOM data center to steal a highly dangerous virus to use against Samaritan in episode 5x11 “Synecdoche”.
NSA Headquarters (server room)
Finch enter the NSA server room and enter the Ice-9 virus into the computers before being captured by Samaritan agents in episode 5x12 “.exe”.