It's not just about the technology, it's about the art.

First lesson: Don't even think about clicking on that link that says 'Click here to claim your free prize!'

Second lesson: Don't let your password be your username.

And for the love of all that is holy, DON'T OPEN EXECUTABLES YOU FOUND ON THE INTERNET

Learn more about advanced defense techniques, including but not limited to: not installing software from sketchy websites and not using public Wi-Fi for anything that can't be described as 'casual browsing'.