MotionCAPTCHA – Stop Spam, Draw Shapes - Joss Crowcroft
MotionCAPTCHA is a jQuery CAPTCHA plugin, based on the HTML5 Canvas Harmony procedural drawing tool by Mr Doob and the $1 Unistroke Gesture Regonizer algorithm (and the more recent Protractor algorithm improvement), requiring users to sketch the shape they see in the canvas in order to submit a form. At the moment, it’s just a proof-of-concept – it only uses client-side gesture recognition, and do
How to create captcha in PHP using GD library - Script Tutorials
Today I will tell you about very important thing – captcha protection. Usually this is very important to prevent automated sign-ups in your registration forms, comment spam in blogs and guestbooks, or another brute force attacks. I will give sample how to draw protection image using our hands. Here are samples and downloadable package: Live Demo [sociallocker] download in package [/sociallocker] O
Mastercard's behavioral biometrics solution
Behavioral insights We utilize unique behavioral and device insights to generate more accurate risk scores, helping you make informed decisions and minimize fraud risk. From login to logout, we improve your users' experience by leveraging unique behavioral and device insights, ensuring a smooth and secure journey for your customers. Learn more
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Movable Type ã® Captcha ã®è¡¨ç¤ºã‚’変更ã™ã‚‹
Movable Type ã®ã‚³ãƒ¡ãƒ³ãƒˆã§ã¯ Captcha を利用ã§ãã¾ã™ã€‚本エントリーã§ã¯ Captcha ã®è¡¨ç¤ºã®ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºã‚’ã„ãã¤ã‹ç´¹ä»‹ã—ã¾ã™ã€‚ ï¼‘ï¼ŽåŸºç¤ŽçŸ¥è˜ Captcha ã®è¡¨ç¤ºã‚’カスタマイズã™ã‚‹ã«ã¯ã€lib/MT/Util/Captcha.pm を編集ã—ã¾ã™ã€‚ ã¾ãŸã€ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ã¯ã€Captcha ã§è¡¨ç¤ºã•ã‚Œã‚‹æ–‡å—ã¯ä»¥ä¸‹ã®ã‚ˆã†ã§ã™ã€‚æ•°å—ã®0 㨠1ã€ã‚¢ãƒ«ãƒ•ã‚¡ãƒ™ãƒƒãƒˆã® l 㨠o ã¯å«ã¾ã‚Œã¦ã„ã¾ã›ã‚“（z ãŒ2ã¤ã‚ã‚‹ã®ãŒè¬Žã§ã™ãŒ...）。 23456789abcdefghjkmnzpqrstuvwxyz ２．表示文å—を変更ã™ã‚‹ 次ã®è¡Œã‚’変更ã—ã¾ã™ã€‚ sub READABLECHARS { '23456789abcdefghjkmnzpqrstuvwxyz' }; 以下ã®éƒ¨åˆ†ã‚‚変更ã—ãªã„ã¨åæ˜ ã•ã‚Œãªã„よã†ã§ã™ã€‚ ...å‰ç•¥... sub _generate_code { ...ä¸ç•¥.
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