Schneier on Security

Listen to the audio on PortSwigger.net

Encryption underpins the security of everything from digital purchases to private chats, and is a technology that has existed in one form or another for as long as human beings have shared secrets.

Having initially started out as a means for rulers and armies to pass on confidential messages, the technology has evolved into an everyday necessity to protect the credit card details of online shoppers and conversations of smartphone users.

But even though its daily presence has made encryption a topic that’s rarely out of the news, an ongoing conflict between law enforcement and techies has left the general public with little understanding of its actual importance…