| Although the abbreviated word CAPTCHA sounds a bit odd, we cannot but use it nearly every single day. The Internet is a lovely spot where users communicate, exchange information, do business in a convenient and inexpensive way. But at the same time it is a real paradise point for spammers, hackers & online fraudsters, with megabytes of spam and junk mail spreading around the global net.
The term CAPTCHA is decoded as 'Completely Automated Public Turing test to tell Computers & Humans Apart'. It emerged in 2000 as an anti-spam module. It is a test that users are to solve before posting an electronic mail. There are different types of a CAPTCHA test. Yet, on our monitors we normally view figures and letters frequently crossed with a line. Letters are typed in several directions. Therefore, it takes a user a few seconds to read what is written in a prompt box. Some users may find the CAPTCHA test excessive. Nonetheless, it is a necessary preventative measure to shield your e-mail box from spam or junk mail.
In fact it is the computer that creates a test & assesses if a user has managed to solve it. But the computer programme is incapable of solving a test itself. So, if you have passed a mandatory test successfully, the computer will accept you as human, since bots cannot solve a CAPTCHA. This is the usual way the computer identifies users are human or bots.
Spam is known to be attacking Spam is known to have been attacking the global net for years. On the whole, there are different anti-spam protection modules which filter mail. Nonetheless, Drupal CAPTCHA is regarded to be more efficient. Alongside the spam protection, the module secures the protection process, too. The Drupal CAPTCHA adds a test to all forms used by users or guests.
As seen from the above stated, a CAPTCHA is in great need in the technically advanced era we live in. Thus, before you choose a CAPTCHA service provider, make sure it will satisfy your requirements. There are also free trial versions you may get from potential service providers before you choose a proper one. Some CAPTCHA modules are compatible with a great number of programing languages. Ensure that your service provider will guarantee an emergency server in a remote system to maintain an unstoppable running of the module, in case a problem comes up. |
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