If you don't have good protection on your website files can easily get lost. A few of those files might be stored on your computer and easily replaceable, but what about the rest of them? Where will you get them out of again, if you lose the first time to them? Especially secure your wordpress site is very important. Long-term sites have created a large number of documents and have a lot of data. Recreating all that are a nightmare, and not something any business owner wants to do.
Don't make the mistake of believing that your hosting company will have your back as far as WordPress backups go. Not always. While they say that they do, it has been my experience that the hosting company may or may not be doing backups. check these guys out Take that kind of chance?
Exclude pages - This plugin adds a checkbox,"include this page in menus", which is checked by default. If you uncheck it, the page will not appear in any listings of webpages (which contains, and is ordinarily restricted to, your webpage navigation menus).
Black and phrases that were whitelists based on which area they appear inside. (unknown/numeric parameters vs. known article bodies, remark bodies, etc.).
The plugin should be updated have WordPress, play nice with of your other plugins and to remain current with the latest WordPress release and restore capabilities. The ability to clone your site (along with regular backups) can be useful if you ever want to do an offline website redesign, among other things.