Because Snowden is based on the events of Edward Snowden's whistleblowing, which occurred in 2013, all of the technology portrayed in the movie is real and currently available.
XKEYSCORE:
XKEYSCORE is a NSA program that is essentially a search engine that can look through public and private data(SMS, emails, chats, etc.). The data is collected mostly through other data collection systems such as PRISM.
Optic Nerve:
Optic Nerve was created by the British surveillance agency GCHQ and began to collaborate with the US NSA. It is a surveillance program that can activate webcams and audio even on computers that are off. It has been found that Optic Nerve collected images of Yahoo webcam chats of innocent people.
Epic Shelter:
Epic Shelter is an around the clock back-up system used by the NSA to help spy and plant malware in other countries' networks. It is also used to locate targets for drone strikes.
All:
Toy robot out of focus
Cell phones ringing
Hotel key card
Camera and microphone to record
Computer in hospital
Doctor's tablet
Polygraph
Enigma-esque machines
Computers for the aptitude test
Snookered laptop at the café
Girlfriend's camera
Teacher's cell phone
Reporters video camera
Snowden and reporters computers
Lots of computers in Geneva CIA office
NSA guy's program
Snowden’s TV with election on
Journalist's video camera
Hotel room phone
Computers all over Japan office
Girlfriend's computer with photos in Japan
Snowden's laptop from Maryland
Polygraph again
Computer for video call with journalist
Body scanner and metal detector
Lots of computers at base on Hawaii
Done strikes live in Hawaii
Girlfriend's camera
TV with C-SPAN on
Computer with number of collected calls
Drove flying at party
Big screen and security cam for video call
Girlfriend's laptop
Snowden's laptop to set up meeting with journalist
More computers and TVs in Hawaii base
Snowden's SD card to copy files
Microphone listening to workers
Body scanners and metal detectors again
Journalist's laptop
TVs breaking news
Montage including Snowden's and journalists’ computers and TVs
Journalist from Heros’s phone
Journalist's camera with as card taken out
Snowden's laptop and antenna in slum
TVs and computer at airport
Tons of mics and cameras of reporters
Laptops and Skype-bot in interview/lecture
Snowden's laptop for interview
XKEYSCORE:
XKEYSCORE is a NSA program that is essentially a search engine that can look through public and private data(SMS, emails, chats, etc.). The data is collected mostly through other data collection systems such as PRISM.
Optic Nerve:
Optic Nerve was created by the British surveillance agency GCHQ and began to collaborate with the US NSA. It is a surveillance program that can activate webcams and audio even on computers that are off. It has been found that Optic Nerve collected images of Yahoo webcam chats of innocent people.
Epic Shelter:
Epic Shelter is an around the clock back-up system used by the NSA to help spy and plant malware in other countries' networks. It is also used to locate targets for drone strikes.
All:
Toy robot out of focus
Cell phones ringing
Hotel key card
Camera and microphone to record
Computer in hospital
Doctor's tablet
Polygraph
Enigma-esque machines
Computers for the aptitude test
Snookered laptop at the café
Girlfriend's camera
Teacher's cell phone
Reporters video camera
Snowden and reporters computers
Lots of computers in Geneva CIA office
NSA guy's program
Snowden’s TV with election on
Journalist's video camera
Hotel room phone
Computers all over Japan office
Girlfriend's computer with photos in Japan
Snowden's laptop from Maryland
Polygraph again
Computer for video call with journalist
Body scanner and metal detector
Lots of computers at base on Hawaii
Done strikes live in Hawaii
Girlfriend's camera
TV with C-SPAN on
Computer with number of collected calls
Drove flying at party
Big screen and security cam for video call
Girlfriend's laptop
Snowden's laptop to set up meeting with journalist
More computers and TVs in Hawaii base
Snowden's SD card to copy files
Microphone listening to workers
Body scanners and metal detectors again
Journalist's laptop
TVs breaking news
Montage including Snowden's and journalists’ computers and TVs
Journalist from Heros’s phone
Journalist's camera with as card taken out
Snowden's laptop and antenna in slum
TVs and computer at airport
Tons of mics and cameras of reporters
Laptops and Skype-bot in interview/lecture
Snowden's laptop for interview