I back my blogs using a free plugin WP DB Backup up. I can always restore my website to the last settings if anything happens. I use WP Security Scan plugin that is free to scan my blog frequently and suspicious-looking requests to be blocked by WordPress Firewall to secure your wordpress website.
This is great news as check this site out it means that there's a strong community of users and developers that could why not try these out improve the platform. However, whenever there is a big group of people trying to achieve something, there'll always be people who will try to take them down.
Keep your WordPress Installation up to date - One of the simplest and most valuable tasks you can do yourself is to ensure that your WordPress installation is updated. WordPress gives a notice on your dashboard to you, so there is really no reason.
Upgrade, if you aren't running the latest version of WordPress. Like keeping your door unlocked when you leave for vacation leaving your site is.
These are only a few. Great thing is they don't need much time to perform. These are also solutions, which can be carried out easily.