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Adaptive Login Form: Adjusting compromise between Comfort and Paranoia.
Conception: 
If my current IP address is not marked as Dangerous since my last successful login, then there is no need to distrust me and force me to go through Quests to solve different types of Captchas. 
In this case, the standard “Password” field is sufficient for one attempt.
But if the Attempt is unsuccessful, then we mark the IP address as Dangerous, and then it is possible and necessary to trick me (or the one who is trying to be me) with a more thorough login procedure.
There may be multilevel options. It doesn’t matter (this will be gradually added to the functionality). We are now talking about the General Principle.
Separate statistics are generated for each IP address and the ratio “Successful number of entries” / “Total number of entries” is determined. Depending on how close this parameter is to 100%, we can talk about the need for the Toughness of the Mistrust process.
This mechanism starts before the User enters his Login.
The more Unsuccessful Login attempts occur from a given IP Address, the more thoroughly it is checked. 
Conversely, the Login procedure can be simplified as much as possible if there is no obvious reason.
<h4>Futured</h4>
<ul>
<li>Regardless of what kind of Authentication Error occurred, be it:</li>
<li>Invalid Username;</li>
<li>Invalid User Password;</li>
<li>Incorrectly specified additional security elements: “Secret Key” / Captcha / etc. 
This will not be indicated in the error message. There will always be only one message: “Authentication Failed”. 
Thus, we do not explicitly indicate to the potential Villain / Bot the reason for the denial of access. And the more such Reasons there are, the more complicated the Entry procedure becomes.</li>
<li><a href="https://wordpress.org/plugins/new-users-monitor/" rel="ugc">Integration with “New Users Monitor”</a></li>
</ul>

Adaptive Login Action

Adaptive Login Form: Adjusting compromise between Comfort and Paranoia.

Costel Tudose

Protect your Contact Form 7 forms with Google CAPTCHA V2, hCAPTCHA or Cloudflare Turnstile CAPTCHA
Easy integration and supports multiple forms on a single page.
<h3>Google reCAPTCHA V2</h3>
Use <a href="https://www.google.com/recaptcha/admin" rel="nofollow ugc">https://www.google.com/recaptcha/admin</a> to generate Site key and Secret key.
When generating keys, choose Challenge (v2) -> “I’m not a robot” Checkbox
Update Site key and Secret key from Settings => Contact Form 7 Captcha => Google reCAPTCHA
To add reCAPTCHA V2 protection, insert [cf7sr-recaptcha] shortcode above the submit button in your Contact Form 7 form.
Default size of reCaptcha is normal, for compact size use shortcode: [cf7sr-recaptcha size=”compact”] 
Default color theme of reCaptcha is light, for dark theme use shortcode: [cf7sr-recaptcha theme=”dark”] 
Default type of reCaptcha is image, for audio type use shortcode: [cf7sr-recaptcha type=”audio”] 
You can combine multiple attributes, sample shortcode: [cf7sr-recaptcha size=”compact” theme=”dark”] 
You can also force reCaptcha to render in a specific language.
<h3>hCAPTCHA</h3>
Use <a href="https://dashboard.hcaptcha.com/signup" rel="nofollow ugc">https://dashboard.hcaptcha.com/signup</a> to generate Site key and Secret key.
Update Site key and Secret key from Settings => Contact Form 7 Captcha => hCAPTCHA
To add hCAPTCHA protection, insert [cf7sr-hcaptcha] shortcode above the submit button in your Contact Form 7 form.
Default size of hCAPTCHA is normal, for compact size use shortcode: [cf7sr-hcaptcha size=”compact”] 
Default color theme of hCAPTCHA is light, for dark theme use shortcode: [cf7sr-hcaptcha theme=”dark”] 
You can combine multiple attributes, sample shortcode: [cf7sr-hcaptcha size=”compact” theme=”dark”] 
You can also force hCAPTCHA to render in a specific language.
<h3>Cloudflare Turnstile CAPTCHA</h3>
Use <a href="https://www.cloudflare.com/en-gb/products/turnstile/" rel="nofollow ugc">https://www.cloudflare.com/en-gb/products/turnstile/</a> to generate Site key and Secret key.
Update Site key and Secret key from Settings => Contact Form 7 Captcha => Cloudflare Turnstile Captcha
To add Cloudflare Turnstile CAPTCHA protection, insert [cf7sr-turnstile] shortcode above the submit button in your Contact Form 7 form.
Default size of CAPTCHA is normal, for compact size use shortcode: [cf7sr-turnstile size=”compact”] 
Default color theme of CAPTCHA is auto, for light or dark theme use shortcode: [cf7sr-turnstile theme=”light”] or [cf7sr-turnstile theme=”dark”] 
You can combine multiple attributes, sample shortcode: [cf7sr-turnstile size=”compact” theme=”dark”] 
You can also force CAPTCHA to render in a specific language.

Contact Form 7 Captcha

Add reCAPTCHA V2, hCAPTCHA or Cloudflare Turnstile CAPTCHA to Contact Form 7

Adaptive Login Action vs Contact Form 7 Captcha