|VPN is a general term. It includes very weak security up to security that can't even transmit over the internet.|
We'd also need to know what it the use of this. Get files or remote desktop or what?
There are many ways for each type of task. Some are very easy to do.
"Best Practices", Event viewer, host file, perfmon, antivirus, anti-spyware, Live CD's, backups, are in my top 10