Firewall protection

We have AVG free addition for a firewall now. Now that we have high speed do we need to do anything else or is that still ok. I wondered if I needed something else since I am no longer using dial up.
SEIBERTRON - Your Planet For Everything Transformers
https://www.seibertron.com/energonpub/
https://www.seibertron.com/energonpub/viewtopic.php?f=14&t=36897