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Paywall Abuse Prevention: Protect Access and Reading Limits
Prevent paywall abuse with server-side entitlements, safe caching and persistent reading limits. Separate content leaks from account sharing.
ShieldLabs Blog
Learn about fraud detection and prevention, device intelligence, bot detection and traffic risk scoring.
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Four Stage Risk Funnel for Fake Signup Detection with Persistent ID
Practitioner guide to fake signup detection: build a four stage risk funnel and use persistent visitor IDs and auditable signals to cut fake accounts.
Developer Playbook: Selenium Detection as a Five Signal Classification
Developer-first playbook for Selenium detection across five signal groups: JavaScript flags, CDP artifacts, rendering, network, and behavior.
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.
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 (one time).
4 Steps to Passive Authentication for Engineers (sub-100ms)
Integration-ready guide for engineering teams adding passive signals to a risk-based auth stack: the four-stage flow and sub-100ms latency targets.
Start Visitor Identification in 5 Minutes: Validate with 5,000 Live IDs
Practical playbook for fraud and product teams deploying visitor identification: prioritized engineering checks, monitoring rules, and vendor evaluation.
Returning visitor conversion: recognizing the returning shopper to capture the lift
Returning visitors convert far better than first-timers, but logged-out shoppers look new. Recognizing the returning device captures the conversion lift.
Personalization for anonymous visitors: recognizing returning visitors without a login
How to personalize for returning visitors who are not logged in, by recognizing their device with a durable identifier that holds without cookies.
Persistent carts and preferences: keeping state for logged-out returning visitors
How to keep a returning visitor's cart and preferences across sessions without a login, by recognizing the device with a durable identifier.
How to prevent guest checkout fraud
Guest checkout removes the account history that flags a repeat fraudster. See how the device behind accountless orders restores that continuity.