KeyCAPTCHA

<h4>Free Variants of Using WordPress CAPTCHA – KeyCAPTCHA</h4>
<ol>
<li>Anti-spam protection. Social advertising. Monetization through commercial ads.</li>
<li>Anti-spam protection. Monetization through commercial ads.</li>
<li>Anti-spam protection. Social advertising.</li>
<li>Anti-spam protection without any ads.</li>
</ol>
<h4>Social Features:</h4>
<p>You may support charity funds by enabling social advertising in our CAPTCHA.<br />
Also you can earn money by specifying social and commercial advertising shares in CAPTCHA on your website.</p>
<h4>KeyCAPTCHA Unique Technologies</h4>
<ul>
<li>Instead of guessing symbols, our WordPress CAPTCHA offers visitors to complete an easy interactive task.</li>
<li>If CAPTCHA hasn’t been solved correctly, page refreshing doesn’t take place that allows the user not to fill in the form repeatedly. It occurs since there is an initial checkup of CAPTCHAs in our CAPTCHA servers before sending a filled-in form to the protected web server.</li>
<li>Our CAPTCHA also can be used even if your hosting provider blocks all outgoing connections.</li>
</ul>
<h4>Effective Anti-Spam Protection</h4>
<ul>
<li>The geo-cluster is used to operate our CAPTCHA service. Our geo-cluster includes the servers located in diverse European data centers. Some servers are in the special DDoS stable data centers in Switzerland to ensure trouble-free 24x7x365 mode service operation.</li>
<li>Our CAPTCHA blocks spammers using anonymizers or anonymous HTPP proxies to distribute a hand spam.</li>
<li>There is no info of correct CAPTCHA solution in the visitor’s browser.</li>
<li>CAPTCHA verification is processed by the our CAPTCHA servers.</li>
<li>Data transferring between your web server, the visitor’s browser and our CAPTCHA servers is protected by a digital signature.</li>
<li>112 to 165 bit variable length password is used to generate a digital signature.</li>
<li>Our CAPTCHA is a code executable in the visitor’s browser. It is not a static image as used in typical CAPTCHAs.</li>
<li>Having received our CAPTCHA, it’s virtually impossible to transfer it to third parties in order to run any task what spammers also do bypassing typical CAPTCHAs.</li>
<li>Probability of guessing the answer by submitting a random solution is 1 to 30,000,000.</li>
<li>CAPTCHA-used images are transferred encryptedly.</li>
</ul>
<h4>Integration with WordPress</h4>
<p>Our CAPTCHA protects the following forms:</p>
<ul>
<li>Registration form</li>
<li>Comment form</li>
<li>Login form</li>
<li>Lost password form</li>
<li>Contact Form 7</li>
</ul>
<p>Compatibility and Features:</p>
<ul>
<li>Supports Trackbacks and Pingbacks</li>
<li>Our CAPTCHA is compatible with BuddyPress plugin</li>
<li>Our CAPTCHA supports two operating modes: Flash and HTML5. HTML5 CAPTCHA mode is used in most modern browsers, such as Mozilla FireFox, Google Chrome, Safari, and also used in iPhone and iPad. The Flash mode has been developed to be used in Internet Explorer and Opera. While loading, CAPTCHA identifies its operating mode depending on the visitor’s browser.</li>
</ul>
<h4>ATTENTION</h4>
<p>To install our WordPress CAPTCHA you should follow instructions in Installation tab. Otherwise the CAPTCHA won’t work correctly.</p>
<h4>KeyCAPTCHA Affiliate Program</h4>
<p>KeyCAPTCHA Affiliate Program allows publishers as well as any Internet user to collect incomes. For more information on The KeyCAPTCHA Affiliate Program, go to http://keycaptcha.wordpress.com/captcha-for-site-owners/affiliate-program/</p>
<h3>ATTENTION</h3>
<p>To install our CAPTCHA you have to follow instructions in Installation tab. Otherwise the CAPTCHA won’t work correctly.</p>
<h3>KeyCAPTCHA Translation</h3>
<ul>
<li>Our CAPTCHA is available in Armenian</li>
<li>Our CAPTCHA is available in Bulgarian</li>
<li>Our CAPTCHA is available in Chinese</li>
<li>Our CAPTCHA is available in Czech</li>
<li>Our CAPTCHA is available in Danish</li>
<li>Our CAPTCHA is available in Dutch</li>
<li>Our CAPTCHA is available in English</li>
<li>Our CAPTCHA is available in Estonian</li>
<li>Our CAPTCHA is available in French</li>
<li>Our CAPTCHA is available in German</li>
<li>Our CAPTCHA is available in Greek</li>
<li>Our CAPTCHA is available in Hebrew</li>
<li>Our CAPTCHA is available in Hungarian</li>
<li>Our CAPTCHA is available in Italian</li>
<li>Our CAPTCHA is available in Lithuanian</li>
<li>Our CAPTCHA is available in Norwegian</li>
<li>Our CAPTCHA is available in Portuguese</li>
<li>Our CAPTCHA is available in Polish</li>
<li>Our CAPTCHA is available in Romanian</li>
<li>Our CAPTCHA is available in Russian</li>
<li>Our CAPTCHA is available in Slovak</li>
<li>Our CAPTCHA is available in Spanish</li>
<li>Our CAPTCHA is available in Swedish</li>
</ul>


KeyCAPTCHA – Social WordPress CAPTCHA

See this otherview (rus): https://intsystem.org/captcha/vzlom-keycaptcha/



It is unsecure

Our captcha is the free unique anti-spam solution. This captcha does not require any text typing. Moreover, the captcha contains social features.

jp-secure

<p>You can find docs, FAQ and more detailed information on <a href="https://www.jp-secure.com/siteguard_wp_plugin_en/" rel="nofollow ugc">English Page</a> <a href="https://www.jp-secure.com/siteguard_wp_plugin/" rel="nofollow ugc">Japanese Page</a>.</p>
<p>Simply install the SiteGuard WP Plugin, WordPress security is improved.<br />
This plugin is a security plugin that specializes in the login attack of brute force, such as protection and management capabilities.</p>
<p>Notes</p>
<ul>
<li>It does not support the multisite function of WordPress.</li>
<li>It only supports Apache 1.3, 2.x for Web servers.</li>
<li>To use the CAPTCHA function, the expansion library “mbstring” and “gd” should be installed on php.</li>
<li>To use the management page filter function and login page change function, “mod_rewrite” should be loaded on Apache.</li>
<li>To use the WAF Tuning Support, WAF ( SiteGuard Server Edition ) should be installed on Apache.</li>
</ul>
<p>There are the following functions.</p>
<ul>
<li>Admin Page IP Filter</li>
</ul>
<p>It is the function for the protection against the attack to the management page (under wp-admin.)<br />
To the access from the connection source IP address which does not login to the management page, 404 (Not Found) is returned.<br />
At the login, the connection source IP address is recorded and the access to that page is allowed.<br />
The connection source IP address which does not login for more than 24 hours is sequentially deleted.<br />
The URL (under wp-admin) where this function is excluded can be specified.</p>
<ul>
<li>Rename Login</li>
</ul>
<p>It is the function to decrease the vulnerability against an illegal login attempt attack such as a brute force attack or a password list attack.<br />
The login page name (wp-login.php) is changed. The initial value is “login_<5 random digits>” but it can be changed to a favorite name.</p>
<ul>
<li>CAPTCHA</li>
</ul>
<p>It is the function to decrease the vulnerability against an illegal login attempt attack such as a brute force attack or a password list attack,<br />
or to receive less comment spam. For the character of CAPTCHA, hiragana and alphanumeric characters can be selected.</p>
<ul>
<li>Login Lock</li>
</ul>
<p>It is the function to decrease the vulnerability against an illegal login attempt attack such as a brute force attack or a password list attack.<br />
Especially, it is the function to prevent an automated attack. The connection source IP address the number of login failure of which reaches<br />
the specified number within the specified period is blocked for the specified time.<br />
Each user account is not locked.</p>
<ul>
<li>Login Alert</li>
</ul>
<p>It is the function to make it easier to notice unauthorized login. E-mail will be sent to a login user when logged in.<br />
If you receive an e-mail to there is no logged-in idea, please suspect unauthorized login.</p>
<ul>
<li>Fail Once</li>
</ul>
<p>It is the function to decrease the vulnerability against a password list attack. Even is the login input is correct, the first login must fail.<br />
After 5 seconds and later within 60 seconds, another correct login input make login succeed. At the first login failure, the following error message is displayed.</p>
<ul>
<li>Disable Pingback</li>
</ul>
<p>The pingback function is disabled and its abuse is prevented.</p>
<ul>
<li>Block Author Query</li>
</ul>
<p>Prevents leakage of user names due to “/?author=” access.</p>
<ul>
<li>Updates Notify</li>
</ul>
<p>Basic of security is that always you use the latest version. If WordPress core, plugins, and themes updates are needed , sends email to notify administrators.</p>
<ul>
<li>WAF Tuning Support</li>
</ul>
<p>It is the function to create the rule to avoid the false detection in WordPress (including 403 error occurrence with normal access,)<br />
if WAF ( SiteGuard Server Edition ) by EG Secure Solutions is installed on a Web server. WAF prevents the attack from the outside against the Web server,<br />
but for some WordPress or plugin functions, WAF may detect the attack which is actually not attack and block the function.<br />
By creating the WAF exclude rule, the WAF protection function can be activated while the false detection for the specified function is prevented.</p>
<h4>Translate</h4>
<p>If you have created your own language pack, or have an update of an existing one, you can send <a href="https://codex.wordpress.org/Translating_WordPress" rel="nofollow ugc">gettext PO and MO files</a> to sgdev@jp-secure.com so that We can bundle it into SiteGuard WP Plugin. You can download the latest <a href="https://plugins.svn.wordpress.org/siteguard/trunk/languages/siteguard.pot" rel="nofollow ugc">POT file</a>, and <a href="https://plugins.svn.wordpress.org/siteguard/branches/languages/" rel="nofollow ugc">PO files in each language</a>.</p>


SiteGuard WP Plugin


誰でもユーザーを登録できるサイトを作っているのですが、ログイン保護機能を利用しています。スパムアカウントが減りました。


ログイン保護に利用しています

SiteGurad WP Plugin is the plugin specialized for the protection against the attack to the management page and login.

KeyCAPTCHA – Social WordPress CAPTCHA vs SiteGuard WP Plugin