SupraNet   SecureOn T-1 DSL Cable Modem  High-speed Internet access Yes Yes Yes Yes  24x7 network security Yes No No No  Symmetrical upload and download Yes Yes Optional No*  Secure, point-to-point connection based on  proven technologies Yes Yes No No**  Complete email services and email account  management Optional Optional Optional Optional  Filtering of unauthorized email and email  viruses Yes No No No  Quick setup time (ten days or less) Yes No No Yes  Monitoring of unauthorized Internet usage Optional No No No *With a cable modem you share your Internet connection with tens, hundreds, or sometimes thousands of subscribers on that segment of the cable network. Additionally, due to the one-way, broadcast nature of cable technology, upload speeds are only a fraction of download speeds. **Since cable networks have been designed to broadcast information (like HBO and ESPN) they are inherently insecure. Cable modems work by picking up data broadcast to everyone on the network, including people not intended to be receiving the data.