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  2. 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.

  3. Internet bot - Wikipedia

    en.wikipedia.org/wiki/Internet_bot

    An Internet bot, web robot, robot or simply bot, [1] is a software application that runs automated tasks on the Internet, usually with the intent to imitate human activity, such as messaging, on a large scale. [2] An Internet bot plays the client role in a client–server model whereas the server role is usually played by web servers. Internet ...

  4. Spambot - Wikipedia

    en.wikipedia.org/wiki/Spambot

    A spambot is a computer program designed to assist in the sending of spam.Spambots usually create accounts and send spam messages with them. [1] Web hosts and website operators have responded by banning spammers, leading to an ongoing struggle between them and spammers in which spammers find new ways to evade the bans and anti-spam programs, and hosts counteract these methods.

  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. reCAPTCHA - Wikipedia

    en.wikipedia.org/wiki/ReCAPTCHA

    In 2013, reCAPTCHA began implementing behavioral analysis of the browser's interactions to predict whether the user was a human or a bot. The following year, Google began to deploy a new reCAPTCHA API, featuring the "no CAPTCHA reCAPTCHA"—where users deemed to be of low risk only need to click a single checkbox to verify their identity. A ...

  7. Spamming - Wikipedia

    en.wikipedia.org/wiki/Spamming

    An email inbox containing a large amount of spam messages. Spamming is the use of messaging systems to send multiple unsolicited messages (spam) to large numbers of recipients for the purpose of commercial advertising, non-commercial proselytizing, or any prohibited purpose (especially phishing), or simply repeatedly sending the same message to the same user.

  8. Forum spam - Wikipedia

    en.wikipedia.org/wiki/Forum_spam

    Forum spam consists of posts on Internet forums that contains related or unrelated advertisements, links to malicious websites, trolling and abusive or otherwise unwanted information. Forum spam is usually posted onto message boards by automated spambots or manually with unscrupulous intentions with intent to get the spam in front of readers ...

  9. Lenny (bot) - Wikipedia

    en.wikipedia.org/wiki/Lenny_(bot)

    There is no speech recognition or artificial intelligence, and the bot's software is simple and straightforward. [6] The first four clips are played sequentially in order to grab the telemarketer's interest and begin their sales pitch to Lenny, then the remaining twelve are played sequentially on loop until the telemarketer hangs up.