Install the rename your login url to secure your wordpress website Firewall Plugin. Stop and this plugin investigates net requests with heuristics that are simple to identify attacks that are obvious.
No software system is resistant to bugs and vulnerabilities. Security holes will be found and guys will do their best to exploit them. Keeping your software up-to-date is a fantastic way once security holes are found because their products will be fixed by software sellers that are reliable.
Maintain control of your assets - Nothing is link worse than having your livelihood in the hands of somebody else. Why take chances with something as important as your site?
WordPress is this page one of the most popular platforms for sites and sites. While WordPress is pretty secure out of the box, there are always going to be individuals who want to make trouble by finding a way to split into sites or accounts to cause damage or inject hidden spammy links. That's why it's important to make certain that your WordPress installation is as safe as possible.
These are three things you can do to maintain WordPress safe without plugins. Set a blank Index.html file in your folders, run your web host security scan and backup your entire account.