Do you know what is a webmaster's biggest nightmare? You're right. It's the hackers. Every now and then, website administrators get to deal with hackers. It's not possible to make your website 100% hack-proof. A small security hole in your entire website's coding can give an experienced hacker access to the backend of your website. And if they manage to crack it down, you may have a hard time figuring out what to do if you didn't have a backup. However, if you do have a backup, you can restore the site. But what's the guarantee that it won't be hacked again? How do you exactly what security hole gave the hacker access to your server in the first place?