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  2. Fix issues with AOL Mail image challenges - AOL Help

    help.aol.com/articles/what-should-i-do-if-i-get...

    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 ...

  3. reCAPTCHA - Wikipedia

    en.wikipedia.org/wiki/ReCAPTCHA

    In 2013, reCAPTCHA began implementing behavioral analysis of the browser's interactions to predict whether the user was a human or a bot. The following year, Google began to deploy a new reCAPTCHA API, featuring the "no CAPTCHA reCAPTCHA"—where users deemed to be of low risk only need to click a single checkbox to verify their identity. A ...

  4. CAPTCHA - Wikipedia

    en.wikipedia.org/wiki/Captcha

    This CAPTCHA (reCAPTCHA v1) of "smwm" obscures its message from computer interpretation by twisting the letters and adding a slight background color gradient.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.

  5. Luis von Ahn - Wikipedia

    en.wikipedia.org/wiki/Luis_von_Ahn

    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. ReCAPTCHA ...

  6. Turing test - Wikipedia

    en.wikipedia.org/wiki/Turing_test

    The CAPTCHA system is commonly used online to tell humans and bots apart on the internet. It is based on the Turing test. Displaying distorted letters and numbers, it asks the user to identify the letters and numbers and type them into a field, which bots struggle to do. [18] [58] The reCaptcha is a CAPTCHA system owned by Google. The reCaptcha ...

  7. Account verification - Wikipedia

    en.wikipedia.org/wiki/Account_verification

    Account verification is the process of verifying that a new or existing account is owned and operated by a specified real individual or organization.

  8. Wikipedia:Perennial proposals - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Perennial_proposals

    Google will not let Wikimedia run it on their own servers, so it would introduce a dependency on an external server by forcing MediaWiki to contact the server for CAPTCHA verification. Using third-party servers is a privacy risk. See also: Wikicaptcha: a ReCAPTCHA-like solution for Wikisource, phab:T34695

  9. Talk:ReCAPTCHA/Archive 1 - Wikipedia

    en.wikipedia.org/wiki/Talk:ReCAPTCHA/Archive_1

    If there is a software exists which defeats reCaptcha, we should not hide that fact. Lets discuss here first. —Preceding unsigned comment added by Deepbluepanther (talk • contribs) 13:14, 23 November 2009 (UTC) I searched Google with the key "reCaptcha Solver" and got the site www.rajtuhin.com in results in first page. Why some editors are ...