• noun a method of encrypting information so that only the intended recipient can read the message; often used to send credit card details via electronic mail.


  • noun an encryption system developed to allow anyone to protect the contents of his or her email messages from unauthorised readers.
  • acronymS HTTP
  • acronymSEPP
  • acronymSSL
  • acronymSTT
  • noun a system developed to provide a secure link between a user’s browser and a vendor’s website to allow the user to pay for goods over the Internet.