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2. From CAPTCHA to catastrophe: How fake verification ... - AOL

   www.aol.com/captcha-catastrophe-fake...

   Fake CAPTCHA scams are commonly spread through these types of sites, where users are tricked into clicking on malicious ads or links. Even if a site seems tempting, it’s important to be cautious.

3. 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.

4. 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.

5. 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 ...

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. 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] [61] The reCaptcha is a CAPTCHA system owned by Google. The reCaptcha ...

8. Add or disable 2-step verification for extra security - AOL Help

   help.aol.com/articles/2-step-verification...

   Add an extra security step to sign into your account with 2-step verification. Find out how to turn on 2-step verification and receive a verification code, and how to turn off 2-step verification if you need to.

9. Luis von Ahn - Wikipedia

   en.wikipedia.org/wiki/Luis_von_Ahn

   Luis von Ahn (Spanish: [ˈlwis fon ˈan]; born 19 August 1978) is a Guatemalan-American entrepreneur, software developer, and consulting professor in the Computer Science Department at Carnegie Mellon University in Pittsburgh, Pennsylvania.