Across
- 3. Shows unwanted ads
- 4. Attaches to files or programs
- 7. Spreads without needing a host
- 8. Network of infected computers
- 10. Locks or encrypts files for payment
Down
- 1. General term for harmful software
- 2. Records keystrokes
- 5. Hides malware and keeps access
- 6. Secretly collects user data
- 9. Disguised as real software
