• Authentication The process of verifying the identity of the party connecting to the the system.
• Authorisation The process whereby the system protects resources only allowing those users who have to correct privileges to access them.

• Hypertext Transport Protocol [HTTP] Protocol used to convery information on the world wide web - typically used in conjunction with HTML to present web pages to clients.

• Secure Sockets Layer [SSL] An endpoint authentication and transport encryption standard typically to secure HTTP connections over the internet.