What is a CAPTCHA?
Obviously, CAPTCHA is an acronym. The question is what does it stand for? The answer is fairly simple, as is CAPTCHA’s purpose. A CAPTCHA, or Completely Automated Public Turing-test to tell Computers and Humans Apart, is used to keep bots and other automated programs from signing up for offers, collecting or signing up for email addresses, violating privacy, trying to crack passwords, or sending out spam to unsuspecting email recipients. A CAPTCHA works by issuing a challenge to the person or entity attempting to gain access. A CAPTCHA challenge is usually a simple visual test or puzzle that a sighted human can complete without much difficulty, but that an automated program cannot understand. The test usually consists of letters, numbers or other images that overlap or intersect. The images are distorted in some way or shown against an intricate background to keep them from being easily read by another computer. Gimpy is one example. Gimpy is a type of CAPTCHA that chooses short, rando
A CAPTCHA is a type of challenge-response test used in computing to determine whether the user is human. In this case the form that you are filling out contains a CAPTCHATM that you (the user) need to complete before being able to submit this form. By asking you to complete the word founding the image we can make sure that you are a human user rather than a computer program such as a spam robot. We apologize for the inconvenience when completing the but hope that you will appreciate we are reducing the ability of such computer programs to generate spam content.
