BigShield Blog
Deep dives into email validation, fraud detection, and keeping fake signups out of your application. Written for developers and security teams.
IP Reputation Scoring: Detecting Datacenters, Proxies, and VPNs
How IP reputation scoring works under the hood: detecting datacenter IPs, identifying proxies and VPNs, classifying residential vs commercial traffic, and building reputation databases.
Feb 3, 2026
Building Email Validation: The Developer's Guide
A comprehensive tutorial covering BigShield SDK installation, basic validation, score interpretation, edge case handling, and webhook integration with full TypeScript code examples.
Jan 27, 2026
We Analyzed 100,000 Fake Signups. Here Is What We Found.
A data-driven deep dive into fake signup patterns: top burner domains, time-of-day spikes, geographic clusters, and device fingerprint analysis across 100K fraudulent accounts.
Jan 20, 2026
Open-Sourcing Our Email Pattern Detection Library
A deep dive into how we detect algorithmically generated emails using randomness scoring, leetspeak detection, and keyboard walk pattern analysis. Includes code examples.
Jan 13, 2026
How Much Does AI Free-Tier Fraud Really Cost?
Fake signups on AI SaaS free tiers drain compute tokens, inflate metrics, and waste engineering time. We break down the real numbers behind free-tier abuse.
Jan 6, 2026