Even Crazy Horses is a good song, by the Osmonds. I've known many bands who have covered that. It's just a great song. I bought it in a brown, paper bag because I didn't want anyone to know I had it.
You have to have as many defences in place as you possibly can. But even then of course - and it's important to stress this - you cannot guarantee being able to prevent every attack or every kind of attack.