I have had two WordPress blogs hacked into in the past. That was at a time when I was doing very little internet marketing, and until I found time to address the situation (months later), these sites were penalised in the search engines. They were not removed, but the rankings were reduced.
In my view, the best way to make sure your rename your login url to secure your wordpress website that is is via the use of a WordPress backup plugin. This is a relatively inexpensive, easy and elegant to use way to make sure your website is accessible to you.
No software system is resistant to bugs and vulnerabilities. Security holes will be discovered and guys will do their best to exploit them. Keeping your software up-to-date is a fantastic way to stave off attacks, once security holes are found because their products will be fixed by reliable software vendors.
There's a section of config-sample.php that's headed"Authentication Unique Keys." There are four definitions that appear within the block. A hyperlink is inside that section of code. You want to enter that link in your browser, copy the contents which you get back, and then replace the keys you have with get more the unique, pseudo-random keys provided by the website. This makes it harder for attackers to automatically create a"logged-in" cookie for your site.
If you aren't running the latest version of WordPress, upgrade. image source Like More Help keeping your door unlocked when you leave for vacation, leaving your website in an old version is.
Do your homework and some searching, but if you're pressed for time and want to get this done once and for all, try out the WordPress safety plugin that I use. It is a relief to know that my site (and business!) are secure.