I back my blogs frequently using a plugin WP DB Backup up. I can restore my website to the last settings if anything happens. I use my site to be scanned by WP Security Scan plugin that is free regularly and WordPress Firewall to block suspicious-looking asks to clean hacked wordpress site.
Do not depend on your Web host - Many people depend on their web host to"do all that technical stuff for me", not realizing that sometimes, they don't! Far better to have the responsibility lie with you, instead of out of your control.
Exploit Scanner goes in search of anything suspicious through the files on your website comment database and post tables. You are also notified by it for odd plugin names. It doesn't remove anything, it warns you for possible threats.
Another step to take to make WordPress secure is to upgrade WordPress. The reason for this is web that with each upgrade there also come fixes for security holes that are old which makes it essential to upgrade early.
These are some of the things I do to secure my blogs. Great thing is that they don't need much time to perform. These are also Full Article options, which can be done easily.