I back my blogs frequently using a free plugin WP DB Backup up. I can restore my website to the settings if anything happens. I use my site to be scanned by WP Security Scan plugin regularly and asks that are suspicious-looking to be blocked by WordPress Firewall to fix wordpress malware attack.
If you're one of the ones, I might find it a little harder to crack your password. But if you're one of the ones that are reactive, I might get you.
Is to delete the default administrator account. Full Report This is important because if you don't do it, malicious user know a user name which they could attempt to crack.
You can also create a firewall that blocks hackers. From coming to your files, the firewall prevents the hacker. You must have updated version of Apache. Upgrade your PHP also. It is important that your system is full of upgrades.
Do your homework and some searching, but if you are 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 website (and business!) are secure.