| Type | Description | 
| Gathers data, such as account user names and passwords, and transmits
                              them to third parties. | |
| Displays advertisements and gathers data, such as user web surfing
                              preferences, used for targeting advertisements at the user through a
                              web browser. | |
| Changes endpoint Internet settings and can force the
                              endpoint to dial pre-configured phone numbers through a modem. These
                              are often pay-per-call or international numbers that can result in a
                              significant expense for your organization. | |
| Causes abnormal endpoint behavior, such as closing and
                              opening the CD-ROM tray and displaying numerous message boxes. | |
| Helps hackers enter endpoints. | |
| Helps hackers remotely access and control endpoints. | |
| Helps hackers decipher account user names and passwords. | |
| Others | Other types of potentially malicious programs. |