CAPTCHA is a tool tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed May 6, 2026; most recent activity May 6, 2026.
CAPTCHA is a challenge-response mechanism designed to distinguish humans from automated software on web services. It typically employs image-based, text-based, audio, or risk-scoring challenges to block bot-driven abuse, which is significant for reducing credential stuffing, automated account creation, and web scraping, though attackers continuously seek bypass methods using automation, OCR, machine learning, and human-solving services.
On May 6, 2026, Google Cloud launched Fraud Defense, a platform aimed at securing digital interactions in the agentic web, which is increasingly vulnerable to fraud and abuse. This platform evolves from reCAPTCHA and…