Across
- 1. a business deal or action such as buying or selling something
- 3. to protect information by putting it into a special code that only some people can read
- 4. a system that protects a computer
- 8. when two or more machines or telephones are joined together or joined to a larger system,using anelectrical connection
- 10. something that protects a website from attacks
Down
- 2. proof that something is true or real
- 5. an attempt to cause damage or injury
- 6. someone who uses computers to secretly use or change the information in another person's computer system
- 7. connected to the internet, or available through the internet
- 9. and prevents other people from using it or damaging it