Four Stage Risk Funnel for Fake Signup Detection with Persistent ID
Practitioner guide to fake signup detection. Build a four stage signal first risk funnel and use persistent visitor ID plus auditable signals to cut fake...
Yahor Papou is the Chief Marketing Officer at ShieldLabs with 5 years of experience in marketing and growth. He focuses on positioning, content, and building go-to-market strategies for B2B products.
Yahor Papou's articles
Developer Playbook: Selenium Detection as a Five Signal Classification
Developer first playbook for selenium detection. Learn the five signal groups JavaScript flags, CDP artifacts, rendering, network, and behavior, plus an...
Engineers & Fraud Ops: Reduce False Positives with 0–100 Proxy Scores
Implementation focused proxy detection for engineers and fraud teams: APIs, caching, TLS fingerprints, and a 0–100 confidence model to cut false positives.
Headless Browser Detection Before JS Runs: JA4 for Dev & Security
Dev & Sec teams: detect headless browsers early with JA4/HTTP2 fingerprints, WebGL and CDP timing; includes test-harness practices and risk scoring.
Measure First: Reduce False Positives, Keep Coverage for Fraud Ops
Playbook for fraud teams: measure rule‑level false positives, run shadow tests and regression checks, then add visitor ID signals to cut noise without...
Carding Attack Detection: 5 High Confidence Signals for Fraud Ops
Operations first playbook to detect card testing: five signals and controls to stop cash out. With ShieldLabs' 5,000 free IDs.
4 Steps to Passive Authentication for Engineers (sub-100ms)
Integration-ready guide for engineering teams to add passive signals into a risk-based auth stack. Learn the four-stage flow, sub-100ms latency targets,...
Start Visitor Identification in 5 Minutes — Validate with 5,000 Live IDs
Practical playbook for fraud and product teams to deploy visitor identification: prioritized engineering checks, monitoring rules, and vendor-evaluation...
How to detect invalid traffic (IVT): types, causes, and signals
How to detect invalid traffic (IVT): the GIVT vs SIVT split, what causes it, and the signals advertisers use to catch the traffic draining ad budgets.
The 11 best ecommerce fraud prevention tools for small businesses in 2026
Compare 11 ecommerce fraud prevention tools for small businesses in 2026 by pricing, signal depth, and self-serve fit, plus a framework to choose.
How to detect ad fraud: types, cost, and the signals that catch it
How to detect ad fraud: the fake clicks, impressions, installs, and leads that drain ad budgets, what each type costs, and the signals that catch them.
15 best VPN and proxy detection tools for fraud prevention in 2026
Compare the best VPN and proxy detection tools for fraud prevention in 2026: what each detects, residential-proxy coverage, pricing, and how to choose.