GD Security Headers 1.2
GD Security Headers is a brand new plugin available for free on WordPress.org that will help you set up HTTP security headers and receive reports when CSP and XXS Protection directives have been violated.
GD Security Toolbox Pro 2.3: Hestia
GD Security Toolbox Pro 2.2 is a major update that brings another new addon, various updates to Content Security Policy and few more things, including some fixes.
GD Security Toolbox Pro 2.0: Hades
GD Security Toolbox Pro 2.0 is a major update to the plugin with several new addons included (total of 14 now), huge changes to some parts of the plugin, many more new features, updates and fixes.