When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  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. Challenge–response authentication - Wikipedia

    en.wikipedia.org/wiki/Challenge–response...

    Using a key derivation function, the challenge value and the secret may be combined to generate an unpredictable encryption key for the session. This is particularly effective against a man-in-the-middle attack, because the attacker will not be able to derive the session key from the challenge without knowing the secret, and therefore will not ...

  6. Follow These Steps if You’ve Been Hacked

    www.aol.com/products/blog/follow-these-steps-if...

    Here are some steps you should take if you discover you’ve been hacked: Contact the business behind the account that’s been hacked – Once they are aware of the problem, they can halt any ...

  7. Challenge-Handshake Authentication Protocol - Wikipedia

    en.wikipedia.org/wiki/Challenge-Handshake...

    In computing, the Challenge-Handshake Authentication Protocol (CHAP) is an authentication protocol originally used by Point-to-Point Protocol (PPP) to validate users. CHAP is also carried in other authentication protocols such as RADIUS and Diameter. Almost all network operating systems support PPP with CHAP, as do most network access servers.

  8. Help:Logging in - Wikipedia

    en.wikipedia.org/wiki/Help:Logging_in

    Some ISPs use transparent proxies which cause problems logging in. This happens most often with some satellite ISPs (particularly HughesNet / DirecWay / DirecPC ). Occasionally, a user may find themself "automatically" logged out between beginning an edit and saving it, or when switching between multiple wiki pages open in multiple windows or tabs.

  9. Help:Menu/Account settings and maintenance - Wikipedia

    en.wikipedia.org/wiki/Help:Menu/Account_settings...

    Account settings. Customize your Wikipedia experience. Change your preferences. Change your signature. Change your username. Confirm your email address. Delete your account. Log in (troubleshooting) User page help.