diff --git a/application/config/autoload.php b/application/config/autoload.php
index fa6ace1e8..e9566e74e 100644
--- a/application/config/autoload.php
+++ b/application/config/autoload.php
@@ -66,7 +66,7 @@
 |	$autoload['helper'] = array('url', 'file');
 */
 
-$autoload['helper'] = ['url', 'audit', 'date', 'dd', 'validation', 'general'];
+$autoload['helper'] = ['url', 'audit', 'date', 'dd', 'validation', 'general', 'captcha'];
 
 
 /*
diff --git a/application/controllers/Mine.php b/application/controllers/Mine.php
index a2a60e676..6da29a345 100644
--- a/application/controllers/Mine.php
+++ b/application/controllers/Mine.php
@@ -805,6 +805,8 @@ public function cadastrar()
 
         if ($this->form_validation->run('clientes') == false) {
             $this->data['custom_error'] = (validation_errors() ? '<div class="form_error">' . validation_errors() . '</div>' : false);
+        } elseif (strtolower($this->input->post('captcha')) != strtolower($this->session->userdata('captchaWord'))) {
+            $this->session->set_flashdata('error', 'Os caracteres da imagem não foram preenchidos corretamente ou o tempo máximo para preenchimento foi ultrapassado!');
         } else {
             $data = [
                 'nomeCliente' => set_value('nomeCliente'),
@@ -834,7 +836,36 @@ public function cadastrar()
                 $this->session->set_flashdata('error', 'Falha ao realizar cadastro!');
             }
         }
-        $data = '';
+
+        $arrFont = ['ZXX_Noise.otf', 'karabine.ttf', 'capture.ttf', 'captcha.ttf'];
+        shuffle($arrFont);
+
+        $vals = [
+            'img_path'      => './assets/captcha-images/',
+            'img_url'       => base_url().'assets/captcha-images/',
+            'font_path'     => './assets/font/'.$arrFont[0],
+            'img_width'     => 150,
+            'img_height'    => 45,
+            'expiration'    => 7200,
+            'word_length'   => 6,
+            'font_size'     => 20,
+            'img_id'        => 'Imageid',
+            'pool'          => '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
+            'colors' => [
+                'background' => [255, 255, 255],
+                'border' => [255, 255, 255],
+                'text' => [0, 0, 0],
+                'grid' => [255, 40, 40],
+            ]
+        ];
+
+        $cap = create_captcha($vals);
+        $this->session->set_userdata('captchaWord', $cap['word']);
+
+        $data = [
+            'captchaImage' => $cap['image']
+        ];
+
         $this->load->view('conecte/cadastrar', $data);
     }
 
diff --git a/application/helpers/captcha_helper.php b/application/helpers/captcha_helper.php
new file mode 100644
index 000000000..9fcbd1b2d
--- /dev/null
+++ b/application/helpers/captcha_helper.php
@@ -0,0 +1,353 @@
+<?php
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP
+ *
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2019 - 2022, CodeIgniter Foundation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @package	CodeIgniter
+ * @author	EllisLab Dev Team
+ * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
+ * @copyright	Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
+ * @copyright	Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
+ * @license	https://opensource.org/licenses/MIT	MIT License
+ * @link	https://codeigniter.com
+ * @since	Version 1.0.0
+ * @filesource
+ */
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+/**
+ * CodeIgniter CAPTCHA Helper
+ *
+ * @package		CodeIgniter
+ * @subpackage	Helpers
+ * @category	Helpers
+ * @author		EllisLab Dev Team
+ * @link		https://codeigniter.com/userguide3/helpers/captcha_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+if ( ! function_exists('create_captcha'))
+{
+	/**
+	 * Create CAPTCHA
+	 *
+	 * @param	array	$data		Data for the CAPTCHA
+	 * @param	string	$img_path	Path to create the image in (deprecated)
+	 * @param	string	$img_url	URL to the CAPTCHA image folder (deprecated)
+	 * @param	string	$font_path	Server path to font (deprecated)
+	 * @return	string
+	 */
+	function create_captcha($data = '', $img_path = '', $img_url = '', $font_path = '')
+	{
+		$defaults = array(
+			'word'		=> '',
+			'img_path'	=> '',
+			'img_url'	=> '',
+			'img_width'	=> '150',
+			'img_height'	=> '30',
+			'font_path'	=> '',
+			'expiration'	=> 7200,
+			'word_length'	=> 8,
+			'font_size'	=> 16,
+			'img_id'	=> '',
+			'pool'		=> '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
+			'colors'	=> array(
+				'background'	=> array(255,255,255),
+				'border'	=> array(153,102,102),
+				'text'		=> array(204,153,153),
+				'grid'		=> array(255,182,182)
+			)
+		);
+
+		foreach ($defaults as $key => $val)
+		{
+			if ( ! is_array($data) && empty($$key))
+			{
+				$$key = $val;
+			}
+			else
+			{
+				$$key = isset($data[$key]) ? $data[$key] : $val;
+			}
+		}
+
+		if ( ! extension_loaded('gd'))
+		{
+			log_message('error', 'create_captcha(): GD extension is not loaded.');
+			return FALSE;
+		}
+
+		if ($img_path === '' OR $img_url === '')
+		{
+			log_message('error', 'create_captcha(): $img_path and $img_url are required.');
+			return FALSE;
+		}
+
+		if ( ! is_dir($img_path) OR ! is_really_writable($img_path))
+		{
+			log_message('error', "create_captcha(): '{$img_path}' is not a dir, nor is it writable.");
+			return FALSE;
+		}
+
+		// -----------------------------------
+		// Remove old images
+		// -----------------------------------
+
+		$now = microtime(TRUE);
+
+		$current_dir = @opendir($img_path);
+		while ($filename = @readdir($current_dir))
+		{
+			if (in_array(substr($filename, -4), array('.jpg', '.png'))
+				&& (str_replace(array('.jpg', '.png'), '', $filename) + $expiration) < $now)
+			{
+				@unlink($img_path.$filename);
+			}
+		}
+
+		@closedir($current_dir);
+
+		// -----------------------------------
+		// Do we have a "word" yet?
+		// -----------------------------------
+
+		if (empty($word))
+		{
+			$word = '';
+			$pool_length = strlen($pool);
+			$rand_max = $pool_length - 1;
+
+			// PHP7 or a suitable polyfill
+			if (function_exists('random_int'))
+			{
+				try
+				{
+					for ($i = 0; $i < $word_length; $i++)
+					{
+						$word .= $pool[random_int(0, $rand_max)];
+					}
+				}
+				catch (Exception $e)
+				{
+					// This means fallback to the next possible
+					// alternative to random_int()
+					$word = '';
+				}
+			}
+		}
+
+		if (empty($word))
+		{
+			// Nobody will have a larger character pool than
+			// 256 characters, but let's handle it just in case ...
+			//
+			// No, I do not care that the fallback to mt_rand() can
+			// handle it; if you trigger this, you're very obviously
+			// trying to break it. -- Narf
+			if ($pool_length > 256)
+			{
+				return FALSE;
+			}
+
+			// We'll try using the operating system's PRNG first,
+			// which we can access through CI_Security::get_random_bytes()
+			$security = get_instance()->security;
+
+			// To avoid numerous get_random_bytes() calls, we'll
+			// just try fetching as much bytes as we need at once.
+			if (($bytes = $security->get_random_bytes($pool_length)) !== FALSE)
+			{
+				$byte_index = $word_index = 0;
+				while ($word_index < $word_length)
+				{
+					// Do we have more random data to use?
+					// It could be exhausted by previous iterations
+					// ignoring bytes higher than $rand_max.
+					if ($byte_index === $pool_length)
+					{
+						// No failures should be possible if the
+						// first get_random_bytes() call didn't
+						// return FALSE, but still ...
+						for ($i = 0; $i < 5; $i++)
+						{
+							if (($bytes = $security->get_random_bytes($pool_length)) === FALSE)
+							{
+								continue;
+							}
+
+							$byte_index = 0;
+							break;
+						}
+
+						if ($bytes === FALSE)
+						{
+							// Sadly, this means fallback to mt_rand()
+							$word = '';
+							break;
+						}
+					}
+
+					list(, $rand_index) = unpack('C', $bytes[$byte_index++]);
+					if ($rand_index > $rand_max)
+					{
+						continue;
+					}
+
+					$word .= $pool[$rand_index];
+					$word_index++;
+				}
+			}
+		}
+
+		if (empty($word))
+		{
+			for ($i = 0; $i < $word_length; $i++)
+			{
+				$word .= $pool[mt_rand(0, $rand_max)];
+			}
+		}
+		elseif ( ! is_string($word))
+		{
+			$word = (string) $word;
+		}
+
+		// -----------------------------------
+		// Determine angle and position
+		// -----------------------------------
+		$length	= strlen($word);
+		$angle	= ($length >= 6) ? mt_rand(-($length-6), ($length-6)) : 0;
+		$x_axis	= mt_rand(6, (360/$length)-16);
+		$y_axis = ($angle >= 0) ? mt_rand($img_height, $img_width) : mt_rand(6, $img_height);
+
+		// Create image
+		// PHP.net recommends imagecreatetruecolor(), but it isn't always available
+		$im = function_exists('imagecreatetruecolor')
+			? imagecreatetruecolor($img_width, $img_height)
+			: imagecreate($img_width, $img_height);
+
+		// -----------------------------------
+		//  Assign colors
+		// ----------------------------------
+
+		is_array($colors) OR $colors = $defaults['colors'];
+
+		foreach (array_keys($defaults['colors']) as $key)
+		{
+			// Check for a possible missing value
+			is_array($colors[$key]) OR $colors[$key] = $defaults['colors'][$key];
+			$colors[$key] = imagecolorallocate($im, $colors[$key][0], $colors[$key][1], $colors[$key][2]);
+		}
+
+		// Create the rectangle
+		ImageFilledRectangle($im, 0, 0, $img_width, $img_height, $colors['background']);
+
+		// -----------------------------------
+		//  Create the spiral pattern
+		// -----------------------------------
+		$theta		= 1;
+		$thetac		= 7;
+		$radius		= 16;
+		$circles	= 20;
+		$points		= 32;
+
+		for ($i = 0, $cp = ($circles * $points) - 1; $i < $cp; $i++)
+		{
+			$theta += $thetac;
+			$rad = $radius * ($i / $points);
+			$x = ($rad * cos($theta)) + $x_axis;
+			$y = ($rad * sin($theta)) + $y_axis;
+			$theta += $thetac;
+			$rad1 = $radius * (($i + 1) / $points);
+			$x1 = ($rad1 * cos($theta)) + $x_axis;
+			$y1 = ($rad1 * sin($theta)) + $y_axis;
+			imageline($im, $x, $y, $x1, $y1, $colors['grid']);
+			$theta -= $thetac;
+		}
+
+		// -----------------------------------
+		//  Write the text
+		// -----------------------------------
+
+		$use_font = ($font_path !== '' && file_exists($font_path) && function_exists('imagettftext'));
+		if ($use_font === FALSE)
+		{
+			($font_size > 5) && $font_size = 5;
+			$x = mt_rand(0, $img_width / ($length / 3));
+			$y = 0;
+		}
+		else
+		{
+			($font_size > 30) && $font_size = 30;
+			$x = mt_rand(0, $img_width / ($length / 1.5));
+			$y = $font_size + 2;
+		}
+
+		for ($i = 0; $i < $length; $i++)
+		{
+			if ($use_font === FALSE)
+			{
+				$y = mt_rand(0 , $img_height / 2);
+				imagestring($im, $font_size, $x, $y, $word[$i], $colors['text']);
+				$x += ($font_size * 2);
+			}
+			else
+			{
+				$y = mt_rand($img_height / 2, $img_height - 3);
+				imagettftext($im, $font_size, $angle, $x, $y, $colors['text'], $font_path, $word[$i]);
+				$x += $font_size;
+			}
+		}
+
+		// Create the border
+		imagerectangle($im, 0, 0, $img_width - 1, $img_height - 1, $colors['border']);
+
+		// -----------------------------------
+		//  Generate the image
+		// -----------------------------------
+		$img_url = rtrim($img_url, '/').'/';
+
+		if (function_exists('imagejpeg'))
+		{
+			$img_filename = $now.'.jpg';
+			imagejpeg($im, $img_path.$img_filename);
+		}
+		elseif (function_exists('imagepng'))
+		{
+			$img_filename = $now.'.png';
+			imagepng($im, $img_path.$img_filename);
+		}
+		else
+		{
+			return FALSE;
+		}
+
+		$img = '<img '.($img_id === '' ? '' : 'id="'.$img_id.'"').' src="'.$img_url.$img_filename.'" style="width: '.$img_width.'px; height: '.$img_height .'px; border: 0;" alt=" " />';
+		ImageDestroy($im);
+
+		return array('word' => $word, 'time' => $now, 'image' => $img, 'filename' => $img_filename);
+	}
+}
diff --git a/application/views/conecte/cadastrar.php b/application/views/conecte/cadastrar.php
index ce92d772a..8b8613f4c 100644
--- a/application/views/conecte/cadastrar.php
+++ b/application/views/conecte/cadastrar.php
@@ -78,10 +78,9 @@
             <div class="widget-title">
                 <h5>Cadastre-se no Sistema</h5>
             </div>
-            <div class="widget-content nopadding tab-content">
-
-                <form action="<?php echo current_url(); ?>" id="formCliente" method="post" class="form-horizontal" style="display: grid;grid-template-columns: 1fr 1fr">
-                <input type="hidden" name="<?= $this->security->get_csrf_token_name(); ?>" value="<?= $this->security->get_csrf_hash(); ?>">
+            <form action="<?php echo current_url(); ?>" id="formCliente" method="post" class="form-horizontal">
+                <div class="widget-content nopadding tab-content" style="display: grid;grid-template-columns: 1fr 1fr">
+                    <input type="hidden" name="<?= $this->security->get_csrf_token_name(); ?>" value="<?= $this->security->get_csrf_hash(); ?>">
                     <div class="control-group">
                         <label for="nomeCliente" class="control-label"><span class="required"></span></label>
                         <div class="controls">
@@ -135,7 +134,6 @@
                         </div>
                     </div>
 
-
                     <div class="control-group" class="control-label">
                         <label for="rua" class="control-label"><span class="required"></span></label>
                         <div class="controls">
@@ -177,15 +175,25 @@
                             </select>
                         </div>
                     </div>
-            </div>
-            <div class="form-actions" style="background-color:transparent;border:none;padding: 10px;margin-bottom: 0">
-                <div class="span12">
-                    <div class="span6 offset3" style="display:flex;justify-content: center">
-                        <button type="submit" class="button btn btn-success btn-large"><span class="button__icon"><i class='bx bx-user-plus'></i></span><span class="button__text2">Cadastrar</span></button>
-                        <a href="<?php echo base_url() ?>index.php/mine" id="" class="button btn btn-warning"><span class="button__icon"><i class='bx bx-lock-alt'></i></span><span class="button__text2">Acessar</span></a>
+                </div>
+                
+                <div class="control-group span12" style="background-color:transparent;border:none;padding: 10px;margin-left: 0;margin-bottom: 0;">
+                    <div style="display:flex; justify-content: center; flex-direction: column; align-items: center;">
+                        <?=$captchaImage?>
+                        <div class="controls" style="margin-left: 0;">
+                            <input id="captcha" type="text" placeholder="Digite o texto da imagem*" name="captcha" value="" />
+                        </div>
+                    </div>
+                </div>
+
+                <div class="form-actions" style="background-color:transparent;border:none;padding: 10px;margin-bottom: 0">
+                    <div class="span12">
+                        <div class="span6 offset3" style="display:flex;justify-content: center">
+                            <button type="submit" class="button btn btn-success btn-large"><span class="button__icon"><i class='bx bx-user-plus'></i></span><span class="button__text2">Cadastrar</span></button>
+                            <a href="<?php echo base_url() ?>index.php/mine" id="" class="button btn btn-warning"><span class="button__icon"><i class='bx bx-lock-alt'></i></span><span class="button__text2">Acessar</span></a>
+                        </div>
                     </div>
                 </div>
-            </div>
             </form>
         </div>
     </div>
@@ -253,6 +261,9 @@
                     },
                     cep: {
                         required: true
+                    },
+                    captcha: {
+                        required: true
                     }
                 },
                 messages: {
@@ -289,8 +300,10 @@
                     },
                     cep: {
                         required: 'Campo Requerido.'
+                    },
+                    captcha: {
+                        required: 'Campo Requerido.'
                     }
-
                 },
 
                 errorClass: "help-inline",
diff --git a/assets/captcha-images/index.html b/assets/captcha-images/index.html
new file mode 100644
index 000000000..7f684dff4
--- /dev/null
+++ b/assets/captcha-images/index.html
@@ -0,0 +1,10 @@
+<html>
+<head>
+	<title>403 Forbidden</title>
+</head>
+<body>
+
+<p>Directory access is forbidden.</p>
+
+</body>
+</html>
diff --git a/assets/font/ZXX_Noise.otf b/assets/font/ZXX_Noise.otf
new file mode 100644
index 000000000..c48b02a90
Binary files /dev/null and b/assets/font/ZXX_Noise.otf differ
diff --git a/assets/font/captcha.ttf b/assets/font/captcha.ttf
new file mode 100644
index 000000000..8cfa4bc9d
Binary files /dev/null and b/assets/font/captcha.ttf differ
diff --git a/assets/font/capture.ttf b/assets/font/capture.ttf
new file mode 100644
index 000000000..041b3e388
Binary files /dev/null and b/assets/font/capture.ttf differ
diff --git a/assets/font/karabine.ttf b/assets/font/karabine.ttf
new file mode 100644
index 000000000..5c3d35c8c
Binary files /dev/null and b/assets/font/karabine.ttf differ