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A CAPTCHA ( / ˈkæp.tʃə / 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. Version 2 also asked users to decipher text or match images if the analysis of cookies and canvas rendering suggested the page ...
Spoofing happens when someone sends emails making it look like it they were sent from your account. In reality, the emails are sent through a spoofer's non-AOL server. They show your address in the "From" field to trick people into opening them and potentially infecting their accounts and computers.
Luis von Ahn (Spanish: [ˈlwis fon ˈan]; born 19 August 1978) is a Guatemalan entrepreneur, software developer, and consulting professor in the Computer Science Department at Carnegie Mellon University in Pittsburgh, Pennsylvania.
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Cloudflare itself was once a CAPTCHA user. Ahead of its Connect conference in October, Cloudflare this week announced an ambitious new project called Turnstile, which seeks to do away with the ...
Being unable to create an account for yourself is typically due to: Having trouble or being unable to see or complete the required CAPTCHA image verification step.; Choosing a username that is too similar to an existing username (in these cases, an account creator can approve the creation of similar usernames if certain criteria are met).
Radio detecting and ranging. RIP. Rest in peace (this can also be an initialism, as some people say “r” “i” “p”) SCUBA. Self-contained underwater breathing apparatus. SMART. Specific ...