Tick (✓) one box on each row to identify the most appropriate security method to prevent or mitigate each threat.
| Threat | Input validation | Offline data backups | Security awareness training | Virtual Private Network (VPN) |
|---|---|---|---|---|
| SQL injection attack on a database | ||||
| Ransomware encrypting local files | ||||
| Phishing email targeting credentials | ||||
| Wi-Fi packet sniffing on an open network |
15 exam-style questions on OCR GCSE Computer Science Identifying and preventing vulnerabilities. Each one has a worked solution and a mark scheme showing where the marks go.