Trueguard Knowledgebase

Learn everything about fraud, technologies and more.

JA4 & JA4T: The New Standard in Network Fingerprinting

Learn what JA4 and JA4T fingerprints are, how they are generated from TLS Client Hello and TCP packets, and how they identify devices and prevent fraud, even when IPs are rotated.

Technical Guide to Residential Proxies

Comprehensive guide to residential proxy technology. Learn the architecture, P2P mechanics, legitimate use cases, and the detection of fraud including credential stuffing and ad fraud.