Interesting research: Abstract: Vision-language models (VLMs) can solve visual CAPTCHAs without task-specific training, but the agents built on them approach every challenge from scratch. For such an agent, the hundredth instance of a familiar puzzle costs as much time and compute as the first. Specialized detectors invert the trade-off, answering in milliseconds but only for … Read More “Training AIs to Solve CAPTCHAs” »
Category: captchas
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This is really interesting. It’s a phishing attack targeting GitHub users, tricking them to solve a fake Captcha that actually runs a script that is copied to the command line. Clever. Powered by WPeMatico
Interesting research: “An Empirical Study & Evaluation of Modern CAPTCHAs“: Abstract: For nearly two decades, CAPTCHAS have been widely used as a means of protection against bots. Throughout the years, as their use grew, techniques to defeat or bypass CAPTCHAS have continued to improve. Meanwhile, CAPTCHAS have also evolved in terms of sophistication and diversity, … Read More “Bots Are Better than Humans at Solving CAPTCHAs” »
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This is an actual CAPTCHA I was shown when trying to log into PayPal. As an actual human and not a bot, I had no idea how to answer. Is this a joke? (Seems not.) Is it a Magritte-like existential question? (It’s not a bicycle. It’s a drawing of a bicycle. Actually, it’s a photograph … Read More “CAPTCHA” »
