SMRTR TechJul 2, 2025GitConnected

The Math Behind CAPTCHAs: How Computers Know You’re Human

SMRTR summary

CAPTCHAs are small tests websites use to differentiate humans from bots. They ask users to perform tasks easy for humans but difficult for machines, like identifying objects in images or typing distorted text. CAPTCHAs help protect websites from automated attacks and spam while allowing legitimate users access. The technology combines image recognition, behavioral analysis, and probability to determine if a user is human.

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