Complete security revision for Cambridge A Level Computer Science 9618 Paper 1. This Exam Excellence Series resource covers all malware types, symmetric and asymmetric encryption, SSL/TLS, and security measures with the precision required for top exam marks.

What’s included:
• Learning Objectives aligned to 9618 syllabus
• Syllabus Mapping (Paper 1, Sections 4.1, 4.2 & 4.3)
• Knowledge Organiser — 6 threat types with distinguishing features
• Complete Revision Notes — symmetric vs asymmetric encryption, TLS/HTTPS 4-step process, firewall, IDS, authentication vs authorisation, malware types
• Worked Examples — describing the HTTPS handshake process for full marks
• Common Mistakes — virus vs worm, authentication vs authorisation, asymmetric used for all data (it isn’t)
• Examiner Tips — the 4-step HTTPS sequence; malware distinguishing characteristics
• Exam Technique — ‘describe two threats’ structure
• Exam-Style Questions
• Topic 91¶¶Òõt
• Mini Mock Exam
• Full Mock Exam
• Detailed Mark Scheme
• Model Answers
• Revision Checklist
• Progress Tracker
• Glossary

Essential for Cambridge 9618 Paper 1 and all A Level security topics.

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