Though ostensibly this can be used as yet another gallery plugin, under the hood it provides a framework for rapid plugin development.
Restricts contributors from editing their posts after the posts are scheduled to publish.
This plugin is real simple and basic, it doesn't allow anyone that does not have admin rights to access wp-admin. This will help ensure security.
Tools to get the most from meta tag. Permission to view page, and a content filter
Members Category is an add-in for WP-Members™ plugin that restricts specified categories to registered users.
MJP Security Tools is a plugin designed to fix a lot of WordPress security issues, as well as providing extra support.
This plugin provides the ability to configure post-specific permissions.
Allows admins to create user groups and set access restrictions for any post, page or section.
Moderated editing of published content. Following approval by an editor, the revision can be published immediately or scheduled.
Scans your WordPress installation for security vulnerabilities.
Safe Your WordPress from SQL Injection Attacks.
Some tools for securing WordPress on Rackspace's Cloud Sites hosting.
WordPress Restrictions allows you to set restrictions on when and what content can be edited/deleted on your WordPress Install.
Allow Categories is a plugin that allows you to permission different user to view only specific categories within your wordpress blog.
3rd Party Authentication is a wordpress plugin that allows wordpress to authenticate against other authentication systems.
RSS link for this tag.