When I was in college, one of my company instructors told us students that one of the greatest barriers to making money in business was procrastination.
If you don't have good protection on your site, Documents can easily get lost. A few of those files may be stored on your computer and easily replaceable, but what about the rest of them? If you lose the first time to them where will you get them from again? For sites which have been in business for quite a long time, secure your wordpress website is vital. Long-term sites have made a high number of documents and have a lot of data. Recreating all of that would be a nightmare, and not something any business owner wants to do.
This is great news because it means that there's a strong community of users and developers that can further improve the platform. However there's a significant group there will always be click for more info people who will attempt to take them down.
You first need to create a user with administrator rights before you can delete the default admin account. To do this go to your WordPress Dashboard and click on User -> Create New User. Enter all the information you will need to enter.
Pathological-looking phrases that were whitelists and black based on which field they look inside. (unknown/numeric parameters vs. known article bodies, comment bodies, etc.).
I prefer using a WordPress plugin to get the job done. Just make sure is able to do backups, has restore performance, and can replicate. Also be sure that it is often updated to keep pace with all versions of WordPress. There's absolutely no use in backing up your data and not working.