Unit 8: Security

Why organisations protect information, the threats they face, how to stop them, and the models behind effective security. For T Level Digital students. No account needed.

1. Course guide

How the exam works, the command words, and a red/amber/green checklist of every specification point.

2. Learn

15 short lessons with diagrams, real cases, exam tips and check-yourself questions.

3. Workbook + tutor

A practice activity for every lesson, saved on your device, with the AI study tutor to help when you are stuck.

4. Practicals

Hands-on tasks: spot the phish, crack-proof passwords, Diffie-Hellman, Linux permissions, Nmap in a lab, a firewall in Packet Tracer.

5. Exam practice

Exam-style scenarios with short and extended answers, command-word guidance and level marking.

6. Quizzes

Five instant-marked quizzes: risks, threats, vulnerabilities, mitigation, and CIA and IAAA.

7. Videos

35 videos, from MrBrownCS revision to Computerphile demos of real attacks.

How to use this course

  1. Open the Course guide and rate each specification point red, amber or green.
  2. For each topic: read the lesson, watch its video, then complete the workbook activity.
  3. Do the practicals when your teacher sets them.
  4. Check yourself with the quizzes, then build exam technique with Exam practice.
Stay legal and ethical. Only test, scan or attack systems you own or have written permission to use, such as the college lab. Using these techniques on other systems can be a criminal offence.
This content area is assessed by a written exam. Use the AI tutor as much as you like to explain, quiz you, or check practice answers. Do not type your name or personal details into it.

Work saves in this browser only. Use the download buttons to keep a backup before changing computers.

Also on this site: Unit 2: Fundamentals of Computer Systems · Unit 19: Computer Networking · Unit 7: Digital environments · Unit 12: Software Development