WP GDPR Data Protection will help you to secure all your user’s private data with the most secure AES Encryption and Decryption with OpenSSL method. This plugin will encrypt all your user’s data in your database but your users always show normal data. They will not see something unusual in their data.
This Plugin is exactly that what ive looked for ages.
I had some issues regarding Translations and additional Fields but the Tech Support solved those issues within few minutes for me!