ARCHIVED: If I use a cable modem or DSL, how do I keep my computer secure?

Regardless of your operating system, you need to be vigilant about the possible security risks involved with connecting to the Internet via cable modem or DSL, as your computer may be connected to the Internet, and thus vulnerable, for long periods of time.

For all systems, follow the instructions in Tips for staying safe online.

Also, refer to SecureMac.com's Connections and Protections: Cable and DSL Connections and Security Measures.