Security SectionImprove the security of your WordPressView subsectionsSectionBlock the login pageView subsectionsSectionLogin security questionsView subsectionsSectionPrevent file downloadsView subsectionsSectionMalicious code in a themeView subsectionsSectionSecurity Keys. How to Modify ThemView subsectionsSectionPrevent the Sending of SPAM from WordPress RegistrationsView subsectionsSectionProtect WordPress from XML-RPC attacksView subsectionsSectionModify user passwordsView subsectionsSectionWhat file permissions are and how to configure themView subsectionsSectionHow to verify the compatibility of a plugin or theme with my PHP versionView subsectionsSectionHow to prevent unwanted user registrationsView subsectionsSectionProtect your site from brute-force attacksView subsectionsSectionHow to add a CAPTCHA to your formsView subsectionsSectionWhat is 2FA or two-factor authentication.View subsectionsSectionMain reasons why WordPress sites are hackedView subsectionsSectionHow to find a backdoor in a hacked siteView subsections Previous“Your PHP Installation Appears to Be Missing the MySQL Extension Which Is Required by WordPress.”NextImprove the security of your WordPress