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A deep dive into the 20-year arms race between CAPTCHAs and automated solvers, culminating in Browserbase's new approach of agent identity to bypass CAPTCHAs entirely by verifying browser identity.
Google is testing a new reCAPTCHA that asks users to wave their hand at their camera, which a commentator warns is a threat to biometric privacy and should be avoided.
Simon Willison shares a trick to configure Cloudflare's Managed Challenge to only trigger for search URLs containing an ampersand, improving usability for simple queries.
A new paper introduces HLL, a benchmark for testing AI agents on real CAPTCHA tasks, showing that even strong agents fail on cluttered pages and recovery from mistakes.
Google's new reCaptcha now requires approved phones to pass verification, increasing security measures.
Cloudflare's Turnstile now requires WebGL fingerprinting for device verification, blocking WebKitGTK browsers and raising privacy concerns.
A research paper shows that while AI can solve CAPTCHAs as well as humans, behavioral differences in interaction patterns can still reliably distinguish bots from people, leading to the proposal of a 'Process Turing Test'.
Browser Use launched agent-native signup using reverse-CAPTCHAs that are designed to keep humans out and let AI agents in. Agents solve obfuscated math problems to gain API key access and free tier benefits.