In any online website, hackers and unscrupulous users will try and attack your website. Whether it is trying to attack your website by brute forcing …
Math Captcha is a 100% effective CAPTCHA for WordPress that integrates into login, registration, comments, Contact Form 7 and bbPress.
An easy to use wordpress Captcha plugin to prevent spam on your site. You can use Image Captcha to protect comments and the admin panel.