AQA Computer Science GCSE
This page is up to date for the AQA 8525 syllabus for exams from 2022.
Networks – Network Security
Networks run by organisations are used to gain access to data and resources. Those are valuable and need to be secured from access by unauthorised users (sometimes called hackers).
"Textbook" double page spread and activities to work through
There are some slides summarising the four methods used to protect networks:
Ways of protecting networks summary
Both MAC address filtering and firewalls are quite tricky. Especially firewalls.
Here's a bit more detail on each to read through which might help get them clear.
This short section of work links on to the whole of Unit 6 – Cyber Security.