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Proprietary freeware (some versions were under Apache License 2.0) Google Authenticator is a software-based authenticator by Google. It implements multi-factor authentication services using the time-based one-time password (TOTP; specified in RFC 6238) and HMAC-based one-time password (HOTP; specified in RFC 4226), for authenticating users of ...
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 was being downloaded automatically. [2] Since ...
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.
The term was coined in 2003 by Luis von Ahn, Manuel Blum, Nicholas J. Hopper, and John Langford. [2] It is a contrived acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart." [3] A historically common type of CAPTCHA (displayed as reCAPTCHA v1) was first invented in 1997 by two groups working in parallel. This form of CAPTCHA requires entering a sequence of ...
Know when your AOL Mail account has been hacked and how to fix it. Find out how you can tell if your account was compromised and what to do to secure it.
Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. Find out how to fix problems reading or receiving AOL Mail.
Download QR code; Wikidata item; Print/export Download as PDF; Printable version; Appearance. ... is a West African independent verification and fact-checking project
Opinion: Think of your account password and the verification code as working together, similar to a doorknob lock and a deadbolt.