Options -Indexes

<FilesMatch "\.(json)$">
    Order Allow,Deny
    Deny from all
</FilesMatch>

<IfModule mod_authz_core.c>
    <FilesMatch "\.(json)$">
        Require all denied
    </FilesMatch>
</IfModule>

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteRule ^data/ - [F,L]
</IfModule>
