Generally common sense material listed in the article but it’s always good to remind people about these techniques. As far as I’m concerned, just being in the know and having the awareness of what’s going on is half the battle.
On a final note, while website security can seem daunting and intimidating, it’s something that should be approached from a standpoint of keeping aware and in the know such that, if issues do arise on your website, you are able to calmly resolve the issue and get your website back to where it was, knowing full-well the scope of the security measures in place.