External Threats - Crossword

Clues

1. Any software designed to damage a system, steal data or carry out unwanted actions. (7)
2. Accessing a system without permission, often called black hat activity. (7)
3. Fake emails or messages that trick people into revealing personal details. (8)
4. Attack that redirects users to a fake website by altering a DNS server. (8)
5. Malicious program that encrypts files and demands payment to unlock them. (10)
6. Malicious code that attaches to files and spreads when the infected file is opened. (5)
7. Malware that disguises itself as legitimate software to trick users. (6)
8. Secretly monitors user activity and collects information without consent. (7)
9. Network of infected computers controlled together to carry out attacks. (6)
10. Watching someone closely to read their passwords or PINs. (15)
11. Replicates itself and spreads between devices without needing a host file. (4)
12. Malware that hides itself and gives an attacker secret ongoing access to a system. (7)
13. Attack that floods one server with requests so genuine users cannot access it. (15)
14. Deceiving people into giving away passwords or personal details by pretending to be trusted. (17)
15. Attack where data between two devices is intercepted or altered without either side knowing. (14)
16. Following a member of staff into a secure area without being challenged. (10)