Authentication is a term that refers to the process of proving that some fact or some document is genuine. In computer science, this term is typically associated with proving a user's identity.

Security is about the protection of assets, computer security deal with the protection of IT assets.

Access control is a security technique that regulates who or what can view or use resources in a computing environment

A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules

Introduce the contributors for this series of notes