AS & A Level Computer Science (9618)
Security
7 questions · about 2% of the marks we indexed · examined in 7 of 9 sessions.
Questions by year
2026
- 2026 May/June · Paper 32 · Q8 (a, b)7 marksDigital certificates & signatures · Encryption & keys
2025
- 2025 Oct/Nov · Paper 32 · Q7 (a, b)5 marksEncryption & keys
- 2025 May/June · Paper 32 · Q104 marksSSL/TLS protocols
2024
- 2024 May/June · Paper 32 · Q44 marksEncryption & keys
2023
- 2023 May/June · Paper 32 · Q5 (a, b)5 marksEncryption & keys · Quantum cryptography
2022
- 2022 Oct/Nov · Paper 32 · Q6 (a, b)6 marksDigital certificates & signatures · Encryption & keys
- 2022 May/June · Paper 32 · Q7 (a, b(i), b(ii))10 marksDigital certificates & signatures
No questions match this filter.
Find the full paper on the official Cambridge past-papers page or ask your school. “Paper 42” means Paper 4, variant 2.
Similar questions
Questions that test the same subtopic in different years. Practise them together to master one skill.
Digital certificates & signatures 3 questions · 3/9 sessions
Encryption & keys 5 questions · 5/9 sessions
Subtopics
| Subtopic | Marks indexed | Sessions |
|---|---|---|
| Digital certificates & signatures | 18 | 3/9 |
| Encryption & keys | 17 | 5/9 |
| SSL/TLS protocols Rare | 4 | 1/9 |
| Quantum cryptography Rare | 2 | 1/9 |