![]() ticketing), requesting a quote or sending messages on social networks – verification by CAPTCHA is widespread today. Regardless of whether it’s used for newsletter registering, making digital purchases (e.g. ![]() Such an implementation prevents simple-minded spambots from filling out and submitting the same form over and over again. A classic example here would be online forms for contact requests. In most cases, CAPTCHA codes are used whenever information needs to be confirmed. The implementation of the technology is very simple: Bots, for example, are blocked out with images, arithmetic tasks or distorted representations, while normal users can usually solve the logical tasks easily. The technology reliably distinguishes between humans and computers – and can therefore be ideally used to protect against spam. What does CAPTCHA mean?ĬAPTCHA is short for the term “ Completely Automated Public Turing test to tell computers and humans apart”. We explain what the technology is all about. Almost everyone has had to deal with such verification.ĬAPTCHA codes come in many different functions and designs – but the bottom line always remains the same: the goal is to keep spam out as much as possible. CAPTCHA is a popular security mechanism that is often used to protect against spam on websites.
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