Today we go over how the AT&T technician Mark Klein discovered a secret room in a San Francisco data center, revealing a partnership between AT&T and the NSA to intercept internet traffic. This revelation in 2013 exposed the NSA's bulk data collection on millions of Americans, sparking debates on privacy and government surveillance. Today we explore the technical aspects behind the surveillance, including fiber optic splitters and network packet analyzers, and explain the TCP/IP model using a simple web browsing example.
Source article (NSA Leak Vindicates AT&T Whistleblower):
https://www.wired.com/2013/06/nsa-whi...
Source article (Network packet analysis – Part I: Theory):
https://www.annalytic.com/network-pac...
0:00 intro
0:34 Mark Klein leak
1:00 splitters and packet analyzers
1:47 how packets flow over a network
3:07 outro