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  2. CAPTCHA - Wikipedia

    en.wikipedia.org/wiki/Captcha

    The purpose of CAPTCHAs is to prevent spam on websites, such as promotion spam, registration spam, and data scraping. Many websites use CAPTCHA effectively to prevent bot raiding. CAPTCHAs are designed so that humans can complete them, while most robots cannot. [ 14 ] Newer CAPTCHAs look at the user's behaviour on the internet, to prove that ...

  3. reCAPTCHA - Wikipedia

    en.wikipedia.org/wiki/ReCAPTCHA

    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. Version 2 also asked users to decipher text or match images if the analysis of cookies and canvas rendering suggested the page ...

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

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

    Call live aol support at. 1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more. Fix issues with AOL Mail image challenges. AOL Mail uses many security measures to keep your account secure, one of which is CAPTCHA or image challenges when sending mail.

  5. Google Takeout - Wikipedia

    en.wikipedia.org/wiki/Google_Takeout

    History. Google Takeout was created by the Google Data Liberation Front on June 28, 2011 [2] to allow users to export their data from most of Google's services. Since its creation, Google has added several more services to Takeout due to popular demand from users. [3][4][5] Takeout started with exports of only Google Buzz, Google Contacts ...

  6. JDownloader - Wikipedia

    en.wikipedia.org/wiki/JDownloader

    www.jdownloader.org. JDownloader is a download manager, written in Java, which allows automatic download of groups of files from one-click hosting sites. JDownloader supports the use of premium accounts. [3] Some parts of the code are open-source. As a popular software tool used in Europe, in December 2009 the program's website was in the top ...

  7. Import and export mail and other data with AOL Desktop Gold

    help.aol.com/articles/aol-desktop-importing-your...

    Import and export your personal data to a file for safekeeping. Personal data includes Mail, Favorites, Address Book, and settings. 1. Sign in to Desktop Gold. 2. Click the Settings icon. 3. While in the General settings, click the My Data tab. 4. Click Import or Export. 5. Select your file. 6. If exporting, create a password.

  8. Link analysis - Wikipedia

    en.wikipedia.org/wiki/Link_analysis

    Link analysis. In network theory, link analysis is a data-analysis technique used to evaluate relationships (Tap link [clarification needed]) between nodes. Relationships may be identified among various types of nodes (100k [clarification needed]), including organizations, people and transactions. Link analysis has been used for investigation ...

  9. Transaction authentication number - Wikipedia

    en.wikipedia.org/wiki/Transaction_authentication...

    A transaction authentication number (TAN) is used by some online banking services as a form of single use one-time passwords (OTPs) to authorize financial transactions. TANs are a second layer of security above and beyond the traditional single-password authentication. TANs provide additional security because they act as a form of two-factor ...