I've had two WordPress blogs. That was in a time when I was doing virtually no internet marketing, and until I found time to deal with the situation (weeks later), these sites were penalized at the major search engines. They weren't eliminated the evaluations were reduced.
WordPress is a safe system but applications has their own flaws and security holes are often located on WP. This is why WP releases updates. Once any vulnerability was discovered by them, they supply a new update and instantly make some changes . If you want to know about the fix hacked wordpress site plugin, you need to comprehend the regions where these plug-ins work to assist you protect your investment .
Also, don't make the mistake of thinking that your hosting company will have your back so far as WordPress backups go. Not always. It's been my experience that the hosting company may or might not be doing backups, while they say they do. Why take that kind of chance?
You must create a new 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 of the information you will need to enter.
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Oh . And incidentally, I was talking about plugins. Make sure it's a secure one when you get a plugin. Do not install any plugin simply because additional resources the owner is saying on his informative post website that plugin will allow you to do that or this. Maybe use a test blog to check the plugin, or perhaps get a software engineer to examine it. This way you'll know it isn't a threat for your organization or you.