Alas, we don't live in such a blissful Utopia and have to deal with the seedy underbelly of a connected world. As such if you're the guy managing servers and networks you have to be concerned about security.
It doesn't matter how deftly you can crank out pages of powershell commands if your network is under attack. Worse, if you don't have the budget for the latest IDS (Intrusion Detection System) you're going to have to do some of the heavy lifting.
Thankfully, it's not that hard and while not the ideal scenario you can improve security even if your tools come from Ebay and Best Buy sales.
So take a look at the video below while I walk you through some basic security procedures and deal with an ongoing attack.