Across
- 5. software that replaces the user’s search engine with its own
- 7. a type of computer virus
- 8. a type of computer virus that can make copies of itself and destroy information on computers that are connected to each other; it spreads without the user taking action
- 9. if a virus infects your computer or disks, it changes or destroys the information in them
- 11. software that automatically plays advertisements on a computer
Down
- 1. computer software that secretly records information about which websites you visit
- 2. software designed to secretly access a computer [= malicious software]system
- 3. without official approval or permission
- 4. a type of software that can copy itself and can destroy or damage information stored in the computer
- 6. to get something new to use instead of the one you use now
- 10. to get something that is important, useful, or valuable