Keisuke Nemoto

This plugin moving attachment file to other protected directory.
<pre><code>/wp-content/uploads/path/to/file -> `/wp-content/uploads/protect/path/to/file` </code></pre>
But, attachment file url is not changed. WordPress will return the attachment file content, check the access permission.

Invisible

mohansandesh

Makes new post visibility to be private by default. Visibility can be changed for existing posts (or private-published new posts) as normal.

Invisible vs New Post is Private