Across
- 3. Occur when thieves try to guess your password
- 6. Unique identyfication number
- 7. A virus that copies its code over and destroys the files of the progoma; data
- 8. Type of data encryption that makes transactions safe
- 9. A person who illegaly exploits computer hardware or software
Down
- 1. Service that organize your finances from home
- 2. Software that protect computer from viruses
- 4. A computer system that virus attached to it
- 5. A program that installs itself without permission
- 6. To gain unauthorized access to a computer system by using the owner's connection