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6 changes: 3 additions & 3 deletions aspnet/Captcha/Overview.md
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---
layout: post
title: Overview | Captcha | ASP.NET Webforms | Syncfusion
description: overview
title: Overview of ASP.NET Web Forms Captcha | Syncfusion
description: Learn here all about overview of Syncfusion Essential ASP.NET Web Forms Captcha control, its elements, and more.
platform: aspnet
control: Captcha
documentation: ug
---

# Overview
# Overview of ASP.NET Web Forms Captcha

Captcha is a popular technique that is used to prevent computer programs from sending automated requests and is used for meta-searching search engines, performing dictionary attacks in login pages, or sending spam by using mail servers. Captcha is validated at the time of form submission.

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