It's absolutely ubiquitous, but what is TLS and where does it come from? Dr. Mike Pound explains the background of this ubiquitous internet security protocol.

Heartbleed, running the code: https://www.youtube.com/watch?v=1dOCHwf8zVQ
Safe surfing on the Internet: https://www.youtube.com/watch?v=E_wX40fQwEA
Network stack and the Internet: https://www.youtube.com/watch?v=PG9oKZdFb7w&t=2s

https://www.facebook.com/computerphile
https://twitter.com/computer_phile

This video was filmed and edited by Sean Riley.

Computer Science at the University of Nottingham: https://bit.ly/nottscomputer

Computerphile is a sister project of Brady Haran's Numberphile. More at http://www.bradyharan.com

Please take the opportunity to connect with your friends and family and share this video with them if you find it useful.