MEDIUMApt
Global

Why we use CAPTCHAs, (Mon, May 11th)

·Source: SANS ISC

Updated:

Executive Summary

A few months ago, I implemented Cloudflare&&#x23&#x3b;x26&#x3b;&#x23&#x3b;39&#x3b;s Turnstile CAPTCHA on some pages. The reason for implementing these CAPTCHAs is obvious: Bots make up a large percentage of traffic and affect site performance.

Analysis

A few months ago, I implemented Cloudflare&&#x23&#x3b;x26&#x3b;&#x23&#x3b;39&#x3b;s Turnstile CAPTCHA on some pages. The reason for implementing these CAPTCHAs is obvious: Bots make up a large percentage of traffic and affect site performance.
Source Attribution

Originally published by SANS ISC on May 11, 2026.

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