Year and a half taught us that WordPress security should not be taken lightly by any means. Between 15% and 20% of the planet's high traffic sites are powered by WordPress. The fact it is an Open Source platform and everyone has access to its Source Code makes it a tempting prey for hackers.
If you don't have good protection on your website Documents can easily get lost. A few of those files may be saved on your computer and easily replaceable, but what about the rest of them? If you lose the first time to them, where are you going to get them from again? Especially for sites which have been in operation for quite a very long time, how to fix hacked wordpress is vital. Long-term sites have made a large 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.
Also, don't make the mistake of Web Site believing that your web host will have your back so far as WordPress backups go. Not always. It's been my experience that the company may or may not be doing proper backups, while they say that they do. Why take that kind of chance?
One thing you can take is to delete the default administrator account. This is important because if you don't do it, a user name that they could try to crack is already known by malicious user.
You could get an SSL Encyption Security for your WordPress blogs. The SSL Security makes secure and encrypted communications with your site. So that all transactions are recorded, you can keep the all the cookies and history of communication. Make sure that all your sites get SSL security for protection.
Always keep in mind that the security of your sites depend on how you handle them. Be certain that you follow these simple strategies to prevent exploits and hacks on your blogs and websites.