via ithemes.com => original post link
With the latest release of iThemes Security Pro, we have added encryption to protect the two-factor authentication (2FA) codes used for multi-factor login authentication. To ensure that your site is using this new functionality, upgrade to iThemes Security Pro version 7.2.2 in your wp-admin plugin dashboard.
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As with any new feature, we’re certain there must be questions about the new feature and why we’ve added it. In this post, we detail what change we’ve made, why we’ve chosen to add additional security features to two-factor authentication, and some thoughts on the current state of WordPress login security as a whole.