Defeating Captchas
When sign in into a website, to open an e-mail account for example, we frequently face a request to type in a code including letters and numbers. These characters are shown on a distored image to be identify only by human beings. These images are known as “captchas”. They were introduced a few years ago as a security measure to stop access to HTML forms by computarized programs attempting to obtain multiple e-mail addresses and other records from the web.
The purpose of captchas is that only a human being would be able to decipher them. Since they are distored images with characters in different sizes or with geometrical … Continue Reading