Edexcel GCSE Computer Science
5.2.1: understand the importance of network security and be able to use appropriate validation and authentication techniques (access control, physical security and firewalls)
5.2.1: understand the importance of network security and be able to use appropriate validation and authentication techniques (access control, physical security and firewalls)
| Keyword | Definition |
|---|---|
| Access control | the process of granting or denying specific privileges to users to control what they can and can't do |
| Authentication | the process of checking that the password a user enters is the right one, so that they can access a computer system. |
| Firewalls | the process of granting or denying access to network traffic from specific network addresses or protocols |
| Network security | the process of using physical security, firewalls, access control, validation and authentication to only allow access to a network or computer to certain people or devices |
| Physical security | the process of making it difficult to access the hardware components inside a computer system |
| Validation | the process of checking that a password meets certain rules (e.g. contains capital and lowercase letters and is over a certain length of characters) |
