By default, the latest version of WordPress is pretty secure. Anything which may have been added to some how to fix hacked wordpress plugins has been considered by the development team of WordPress . In the past , WordPress did have holes but now most of them are filled up.
Basically, it all will start view with the fundamentals. Try using complex passwords. Use letters, numbers, special characters, and spaces and combine them to create a password that is unique. You could also use usernames that aren't obvious.
First in line is creating a password to your account. Passwords must be made with numbers and characters. You make small shifted letters and can combine them. Smarter passwords can be your gateway to zero hackers. Make passwords that only you can consider.
Note that you should only try this last step for setups. You will also need to change all of the table names inside the database if you would like to get it done for existing installations.
Don't use continue reading this wp_ as a prefix for your databases. Most web hosting providers are removing that default but if yours doesn't, adjust wp_ to anything but that.