Anti botnet wordpress security practices

So, you got hit by the wordpress attack yesterday. I did, you did. We all did.

Freaked out yet? It was a huge botnet trying to crack your password

Anyone who doesn't know, a botnet is a large number (usually over 100,000) of computers all infected by some form of an attack, that can be remote controlled. The botnet yesterday was around 100,000.

Things you can do to protect yourself against it.