Hackers turn employers! Will pay you to spread more spam
Tuesday, 27 April 2010, 21:49 IST
35.43) to $1.20 (Rs 53.14) per 1,000 deciphered boxes.
Luis von Ahn, a Carn egie Mellon computer science professor who was a pioneer in developing captchas, estimates that thousands of people in developing countries, primarily in Asia, are solving these puzzles for pay. But internet firms like Google say that they do not worry a lot about people being paid to decode captchas because they are one of several tools that websites use to secure themselves. Some sites, for instance, might also send confirmation codes as text messages to cellphones, which then have to be entered into a separate verification page before new email accounts are activated.