GeeTest Blog

Fraud Prevention

CAPTCHA Challenge: Trigger Policy, UX, and Alternatives

Learn what a CAPTCHA challenge is, when to trigger one,...

API Rate Limiting for Abuse Prevention: Limits, Bypasses, and Layered Controls

Learn how API rate limiting reduces abuse, where bots bypass...

Click Fraud Protection: How to Stop Fake Ad Clicks

Learn how click fraud protection works, what tools can and...

Agent Bot Defense: How Stealth Technology Changes Automation Risk

Learn how agent bots evolved from scripts and AI crawlers,...

Mobile Proxies: Abuse Risks and Detection Signals for Fraud Teams

Learn how mobile proxies work, why they hide IP risk,...

How “Bare-Metal” Cloud Phones Redefine Device Spoofing?

Learn how the evolution of device spoofing from emulators to...

What is Card Not Present (CNP) Fraud? Causes, Impacts & Prevention

Takeways What is Card Not Present (CNP) Fraud? Card Not...

iOS Virtualization & Marketing Fraud: Risks and Solutions (2026)

Learn how iOS virtualization enables large-scale fraud and how to...

SMS Toll Fraud Protection in 2026: A Comprehensive Guide

Explore the next generation of SMS Toll Fraud Protection in...

Protect your business with GeeTest

Join us with 360,000+ protected domains now!