Viruses/Encryption

4. type of key encryption using one public key
6. prevents access to web sites known to host viruses and other malware
7. run in the background of the computer and scan all files before they are opened
8. public key encryption that uses a public key and private key
9. message resulting from complex mathematical algorithms to encrypt a plaintext message
10. written using the macroprogramming languages designed to automate tasks in some software
11. virus scanners check specific files that the user has selected for anti-virus scanning
12. used only for decryption by receiver of the message

1. virus that took advantage of the macros feature built into Word and Excel
2. uses keys to transform an message into a form that is not understandable to anyone who reads it
3. malicious program designed to replicate itself and cause damage to computer systems
5. attempt to identify viruses without using definition files