Have you upgraded your WordPress site?
83% of hacked WordPress blogs have not been upgraded, so as you can see, not upgrading your WordPress install can put your website at a much greater increase of falling victim to a hack.
It’s also important to make sure you’re backing up before you upgrade, too.
Here’s the Ultimate Guide to Upgrade WordPress:
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If you have more questions or would like a more detailed look, check out the Worry Free Upgrade, Update and Backup WordPress Process for WordPress.
Are you running the latest version of WordPress?