You may be developing a simple, straight forward personal website, containing information that’s both public, and easy to back-up, and so implementing proper security measures doesn’t present much interest. However, no matter how simple or low-value your system is, it is definitely not your intention to have it defaced by hackers. Failing to secure your website guarantees that, sooner or late, it will be defaced, if only for the lulz. Happened to me? Oh, yes.