CIE IGCSE - Computer Science 
Theory of Computer Science -
Security

CIE | IGCSE | Computer Science | Theory of Computer Science | Security | Lesson 14

Security and data integrity

CIE | IGCSE | Computer Science | Theory of Computer Science | Security | Lesson 15

Loss of data and data corruption

CIE | IGCSE | Computer Science | Theory of Computer Science | Security | Lesson 16

Firewalls and proxy servers

CIE | IGCSE | Computer Science | Theory of Computer Science | Security | Lesson 17

Security protocols

CIE | IGCSE | Computer Science | Theory of Computer Science | Security | Lesson 18

Encryption

CIE | IGCSE | Computer Science | Theory of Computer Science | Security | Lesson 19

Applications