Instant account security with effortless, email-based two-factor authentication; optional mobile app for more security; no tokens.
Instantly turn your WordPress installation into a private corporate intranet
Improves the security of the login page against brute-force attacks. Records every attempts to login. Easily block an IP address.
WordPress directory authentication plugin through LDAP and LDAPS (SSL).
Authy is the easiest and fastest way to add strong 2 Factor Authentication to your WordPress blog.
IP Based Login allows you to directly login from an allowed IP.
Changes the cookie default path to / (i.e. the whole domain.com not just domain.com/blog) with an option to go across subdomains
Use an external authentication source in WordPress.
Social Login by Janrain
This plugin protects your registration, login and comment forms against spambots with a simple math question.
This plugin is discontinued now. Sorry!
Allow Categories is a plugin that allows you to permission different user to view only specific categories within your wordpress blog.
Allows users to login or register by authenticating with an existing Google, Facebook, LinkedIn, Github, Reddit (and more!) account via OAuth 2.0.
Enhanced Login Security for Your WordPress blog.
Simple and cool login widget for your WordPress! AJAX, support SSL, show avatar, profile button, register and lost password forms...
Allows WordPress to externalize user authentication and account creation to a Shibboleth Service Provider.
More secure wrapper for the WordPress XML-RPC interface.
WordPress Security Plugin - Perform over 23 Basic Security Activities for your blog and get a free malware scan at the same time! See more details at
Configure WordPress Login Timeout through UI (User Interface).
Plugin to integrate WordPress or WordPressMU with existing CAS architectures. Based largely on Stephen Schwink's CAS Authentication plugin.
Adds Graphic Captcha Protection field for login, registration, lost password, comments pages. Perfect antispam solution for your website.
iRemoteWP plugin allows you to easily and remotely manage & backup all your WordPress based sites from one dashboard on iremotewp.com.
Adds an extra layer of security to your WordPress Account. Same as Google 2-step verification.
Login by Auth0 provides improved Username/password login, Passwordless login, Social login and Single Sign On for all your sites.
CAS Maestro allows you to configure your centralized authentication service, CAS, for an integrated log in with WordPress. LDAP is optional.
Sends an email with useful data to the administrator each time a user successfully logs in or fails to connect.
Enables LDAP for user authentication, password management and role management.
Login to intranet WP site using credentials stored in Active Directory, OpenLDAP and other LDAP. Easiest LDAP plugin to configure. ACTIVE SUPPORT.
Brute Force Login Security, Spam Protection & Limit Login Attempts. IP Blocking, Firewall Security, Anti Spam, protect site from hacks and malware
A Plugin to lock down the whole site to prevent public access.