Across
- 1. A large amount of money that someone wants to set something free.
- 3. A program that copies itself to stop a system from working normally.
- 5. A weakness in a system or machine that stop it working correctly.
- 7. A person who gets access to a computer system illegally.
Down
- 2. Short form for "National Health Service"
- 4. German: infeziert
- 6. A person who is affected by a bad situation.