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<p>Protect your forms from spam with hard to break and easy to read Secure CAPTCHA images from <a href="http://www.securecaptcha.net/" rel="nofollow ugc">SecureCAPTCHA.net</a>.</p>
<p>Secure CAPTCHA allows to distinguish between form submition made by human and script (robot, bot, program etc.).<br />
It gives you ability to reject all form submitions made in automatic way.<br />
Secure CAPTCHA was designed to be both hard to break with a script and easy to solve by the humans.</p>
<p>Most of available simple CAPTCHA libraries are easy to break.<br />
They use one font and scale or rotate each letter individually.<br />
There are scripts on the web that are capable to break them.<br />
Some CAPTCHAs add random lines and patterns, but it make the text harder to read by a human.</p>
<p>Secure CAPTCHA is made with handwriting.<br />
Letters are connected together and it is difficult for a script to split text into individual letters.<br />
Moreover, each letter looks somewhat differently depending on it’s two neighbour letters.<br />
And finally, the whole text is transformed with some randomly chosen nonlinear transformation.</p>
<p>Many CAPTCHA implementations on the web are really hard to read.<br />
Sometimes it is even impossible.<br />
Secure CAPTCHA is easy to solve for a human: our images have big letters and high contrast between the text and the background.</p>


Secure CAPTCHA

Protect your forms from spam with hard to break and easy to read Secure CAPTCHA images from SecureCAPTCHA.net.

Nikolay Nikolov

<p>A simple captcha for the WordPress login form. To be able to login, the user is required to enter a random 3-digit number in a text field.</p>
<p>The correct number is displayed above the field by a small JavaScript code. Compatible with the WooCommerce login form. Compatible with multisite.</p>
<h4>Demo</h4>
<p><a href="https://nikolaydev.com/wp-login.php" rel="nofollow ugc">https://nikolaydev.com/wp-login.php</a></p>
<h4>Simple</h4>
<ul>
<li>No complicated features</li>
<li>No settings</li>
<li>No image generation</li>
<li>No API</li>
<li>No sessions</li>
<li>No cookies</li>
<li>No IP address detection</li>
<li>No personal data collection</li>
<li>No vulnerabilities in the programming code</li>
</ul>
<h4>Recommendation</h4>
<p>Bots can also try to login with the XML-RPC feature of WordPress! Very rarely plugins also need this (like the Jetpack plugin). But if you don’t use it, I recommend that you disable it. You can use the super simple one-line plugin <a href="https://wordpress.org/plugins/disable-xml-rpc/" rel="ugc">Disable XML-RPC</a>.</p>
<h4>Notice</h4>
<p>This is a simple plugin designed to protect against random bots that try to login on your site. But if a person actually looks at the code of this plugin and specifically designs a new bot that targets this plugin, this bot would be able to bypass the protection.</p>


Simple Login Captcha

Adds a simple 3-digit number captcha on the login form.

Secure CAPTCHA vs Simple Login Captcha