This comparison covers Security Methods within Prevention Methods for GCSE Computer Science. Revise Prevention Methods in Network Security for GCSE Computer Science with 15 exam-style questions and 18 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 3 of 10 in this topic. Use this comparison to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 3 of 10
Practice
15 questions
Recall
18 flashcards
Security Methods
| Method | Description | Protects Against |
|---|---|---|
| Firewall | Monitors and filters network traffic based on rules | Unauthorised access, malware, network attacks |
| Encryption | Converts data into unreadable code; needs key to decrypt | Data interception, theft, eavesdropping |
| Authentication | Verifying identity (passwords, biometrics, 2FA) | Unauthorised access, identity theft |
| Access Control | Limiting what users can access based on role | Data breaches, insider threats, privilege abuse |
| Penetration Testing | Authorised testing to find vulnerabilities | Unknown weaknesses, security gaps |
| Backups | Regular copies of data stored separately | Data loss, ransomware, system failure |