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A CAPTCHA (/ ˈ k æ p. tʃ ə / KAP-chə) is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam. [ 1 ] The term was coined in 2003 by Luis von Ahn , Manuel Blum , Nicholas J. Hopper, and John Langford . [ 2 ]
reCAPTCHA Inc. [1] is a CAPTCHA system owned by Google.It enables web hosts to distinguish between human and automated access to websites. The original version asked users to decipher hard-to-read text or match images.
Others can use your code to build their own bots. A user new to bot writing may be able to use your code as an example or a template for their own bots. It encourages good security practices, rather than security through obscurity. If you abandon the project, it allows other users to run your bot tasks without having to write new code.
Discord is an instant messaging and VoIP social platform which allows communication through voice calls, video calls, text messaging, and media.Communication can be private or take place in virtual communities called "servers".
AOL Mail uses many security measures to keep your account secure, one of which is CAPTCHA or image challenges when sending mail. These challenges exist to make it harder for hackers to access your accounts. The characters can't be read by a computer and must be entered manually, ensuring only a real person can pass the test. Why am I being ...
An Internet bot, web robot, robot or simply bot, [1] is a software application that runs automated tasks on the Internet, usually with the intent to imitate human activity, such as messaging, on a large scale. [2] An Internet bot plays the client role in a client–server model whereas the server role is usually played by web servers. Internet ...
UBot Studio is a web browser automation tool, which allows users to build scripts that complete web-based actions such as data mining, web testing, and social media marketing. The scripts are created via a command window inside the UBot Studio browser, and can be compiled into separate executable files (“ internet bots ”) which can be run ...
In 2007, von Ahn invented reCAPTCHA, [24] a new form of CAPTCHA that also helps digitize books. In reCAPTCHA, the images of words displayed to the user come directly from old books that are being digitized; they are words that optical character recognition could not identify and are sent to people throughout the web to be identified.