KendoUI Captcha
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The Kendo UI Captcha widget is a security measure that prevents automated spam from performing tasks such as form submissions in your application. The widget generates distorted images of letters and numbers that are easily decipherable to humans, but not to automated programs (spam bots).
The kendoCaptcha control can be added to a Form or Page from the Visual Studio Toolbox. It should look like this when dropped onto the designer.
Configuring the kendoCaptcha control requires handling several different requests from the client. This includes generation, image processing, and validation.
The resulting kendoCaptcha control will look something like this: