WP Graphic Captcha Protection (by SiteGuarding.com)

Adds Graphic Captcha Protection field for login, registration, lost password, comments pages. Perfect antispam solution…


SiteGuarding.com (SafetyBis Ltd.) 900+ active installations Tested with 4.9.8 Updated 9 months ago

WP Admin Graphic Password (by SiteGuarding.com)

Plugin adds extra graphic password for your administrator account and adds a higher level of…


SiteGuarding.com (SafetyBis Ltd.) 300+ active installations Tested with 4.9.8 Updated 9 months ago

GatewayAPI

Send SMS'es and enable SMS-based two-factor security.


OnlineCity ApS 100+ active installations Tested with 4.9.8 Updated 1 month ago

Authentiq

Sign in (and sign up) to WordPress sites using the Authentiq ID app. Strong authentication,…


The Authentiq Team 20+ active installations Tested with 4.9.8 Updated 3 months ago

Clickatell Two-Factor Authentication

Secure your site with Two-Factor Authentication (TFA) using the Clickatell SMS gateway.


Chris Brand Fewer than 10 active installations Tested with 4.1.24 Updated 2 years ago