Banhammer is a free WordPress plugin designed to enhance site security by allowing users to monitor and control access to their websites. Key features include the ability to ban or warn any user or IP address, monitor site traffic in a dedicated Armory, and manage banned targets via the Tower. The plugin offers a user-friendly interface with Ajax-powered navigation, making it easy to sort, search, and manage logged data. Additionally, it includes sound effects for actions like banning or warning users, and comprehensive documentation is available through the Help tab.

In terms of privacy, Banhammer collects user data temporarily, which is automatically deleted at specified intervals. It does not set cookies for regular visitors but uses simple cookies for admin users to enhance interactivity. The plugin is lightweight, compatible with any WordPress theme, and works seamlessly with other plugins, including those using the Gutenberg Block Editor. Overall, Banhammer provides a flexible and powerful solution for site owners looking to maintain a secure online environment.