Just like internet bots themselves, and like much of the innovation on the internet, CAPTCHAs find their origin in the hacker community. How can a banking website be sure that an innocent grandma who is logging in to check that the holiday gift money was successfully transferred to her grandchildren, is in fact, an innocent grandma? Enter, the “Completely Automated Public Turing test to tell Computers and Humans Apart”, or more simply, the CAPTCHA. It’s the type of high-profile attack that can take down everything from banks to government websites.Ī dystopian world like this needs a reliable way to differentiate an evil bot from a well-intentioned human. They can be used at various scales from generating fake social media accounts, to rapidly booking out all tickets for a popular concert and orchestrating a large-scale Distributed Denial of Service (DDoS) attack a DDoS is an attempt to make an online service unavailable by overwhelming it with traffic. Maliciously-programmed internet bots (software applications that can run automated tasks) are an unfortunate commonplace on the internet. In today’s age, there’s a high chance that you, dear reader, are a machine. How does the “I’m not a robot” checkbox work?Īsking you to click a checkbox to confirm that you are, in fact, human seems curiously simple.
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