Yalogica

XCmdr allows you to organize your Media Library into folders or categories. Keeping your Media Library organized is essential, and this plugin will assist you in categorizing your images. To create a category, navigate to Media > Categories and set up a new category. Then, head to Media > Library to move your images into the designated category.
When you add or edit an image in the Media Library, you can choose the category or categories for that image.

XCmdr

Streamline your media library with folders: this plugin creates media library categories.

Andrew Stewart

Permissions & Security Audit is a plugin that runs a series of tests to check common security issues with the following areas:
<ul>
<li>File and folder permissions</li>
<li>File and folder ownership</li>
<li>WordPress configuration settings</li>
<li>Apache/PHP and hosting settings</li>
</ul>
Although this plugin will flag potential issues; it will not resolve these items. You will need to manually resolve them, use the help of a plugin or contact an individual who has the experience to help.
Ce plugin est disponible en français aussi.

Permissions & Security Audit

Permissions & Security Audit is a plugin that runs a series of tests to check common security issues with the following areas:

XCmdr vs Permissions & Security Audit