How to Get Ready for CAPTCHA

Get Ready for CAPTCHA

CAPTCHA [Completely Automated Public Turing test to tell Computers and Humans Apart] is a ‘challenge- response ‘test that involves a set of wavy shaped letters or words; usually appearing when a person fills a web form. This ensures that the user is a human being and not a bot. 

Although it’s found effective in avoiding spam to a considerable extent, this cannot be considered as a long term solution.

1. Accessibility – Most of the CAPTCHAs ask users to visually recognize and identify a series of letters or symbols. It’s a tough job for people with a perfect sight. Some systems do have an alternate audio version. But experts say both can be attacked by hackers.

2. Not a Turning Test – According to the rules of a Turing test a humans can easily find out a machine that pretends as a person.  But CAPTCHAs differentiate between a human and another machine. A much difficult task, as long as OCR (Optical Character Recognition) is getting advanced day by day.

3. All CAPTCHAs can be cracked – Technologies are getting sophisticated day by day that people have found out methods to crack CAPTCHAs. As a profitable hobby many hackers are involved in the research to develop the most effortless method to hack CAPTCHAS.

4. Difficult CAPTCHAs – Are you in search of the simpler solution to prevent cracking of CAPTCHAs? Make the test more difficult! Something like

Google reCAPTCHA – This is the most popular and widely used captcha service these days . It’s developed by Google , thier latest version reCAPTCHA v3 use machine learning algorithms to analize user activities .

hCaptcha – One of best popular alternative for Google reCaptcha and for better user privacy , it display captcha puzzles to visitors .

Solve Media – It ask answer advertisement related questions from visitors .

FunCaptcha – User friendly captcha service that verify users using puzzles and interactive games .

5. CAPTCHA measures ability – CAPTCHA measures your efficiency in understanding an unreadable set of letters. But computers are already successful in creating certain human abilities, and are sure to improve in future; creating a threat to tests like CAPTCHA that helps in preventing spamming. 

Use of reCAPTCHA and hCaptcha has been suggested as a sensible option by many experts, a positive result cannot be guaranteed fully.