Can you detect a VPN with JavaScript?
What JavaScript can reveal about a VPN: time zone vs IP country, WebRTC addresses, and the server-side check that turns a browser token into a decision.
Betrug besser verstehen.
Erkenntnisse aus der Praxis, konkrete Playbooks und Integrationsanleitungen. Für alle, die Registrierung, Anmeldung und Checkout schützen.
Neueste
IntegrationsanleitungenDatacenter IP detection: how it works and what it cannot tell you
How datacenter IP detection works (cloud range files, the routing table, live visits) and why a cloud address alone is not evidence of fraud.
Betrugs-PlaybooksPromo code abuse: how coupon farms work and where to stop them
How promo code abuse works, from new accounts and burner inboxes to proxies and fake browsers, and which checks belong at signup and at code redemption.
ErkennungsforschungI tested Aurorium, the antidetect browser advertised on WWH Club
Aurorium is an antidetect browser with AI fingerprints, advertised on the WWH Club fraud forum. In our live check it was flagged for review on its first visit.
ErkennungsforschungMobile proxy detection: a 4G/5G mobile proxy, blocked on its first visit
Mobile proxies relay traffic through phones and SIM cards on shared carrier IPs. We tried one sold as an Estonian 4G/5G SIM proxy: blocked on its first visit.
ErkennungsforschungResidential proxy botnets: where ‘clean’ home IPs really come from
Residential proxy botnets run on infected TV boxes, old routers and free VPNs. What the 2024–2026 takedowns show, and what your signup form still sees.
ErkennungsforschungProxy SDKs and proxyware: how apps turn their users into residential proxies
Proxy SDKs pay app makers per download or per gigabyte to route strangers’ traffic through users’ phones, PCs and TVs. How they work and what they risk.
IntegrationsanleitungenShould you block antidetect browsers or send them to review?
A base policy for antidetect signals: when a fake browser justifies a block, when review is safer, where privacy browsers cause false alarms, and how to measure it.
IntegrationsanleitungenWhy do antidetect browsers and proxies still give each other away?
Every antidetect profile is sold with a proxy slot. Where the browser story and the network story disagree: time zone, WebRTC, TLS and proxy-pool history.
IntegrationsanleitungenHow do you test antidetect browser detection?
Test real antidetect profiles against normal browsers, distinguish missed detections from missing signals, and measure customer impact before blocking.
Meistgelesen
- 01How to Detect Residential Proxies in 2026
- 02Free VPN Detection APIs Compared: Limits, Inputs and Terms
- 03Card Testing Attacks: How Bots Drain Stripe Accounts in 2026
- 04Headless Browser Detection in 2026: What Still Works
- 05CAPTCHA Farm Economics: How $0.001 per Solve Killed Bot Detection
- 06Detecting Antidetect Browsers in 2026
- 07How to Detect Puppeteer & Playwright in 2026
- 08Shopify Bot Detection: Block Sneaker Bots, Scalpers & Fake Checkouts
AI Agent Traffic: Telling Assistants From Attackers
Browser-using AI agents trip every legacy bot control. How to separate declared crawlers, user-driven agents, and attackers wearing agent clothing.
JA3, JA4, and TLS Fingerprinting for Fraud Teams
What a TLS fingerprint actually captures, why JA3 broke, what JA4 fixed, and the one thing TLS fingerprints are genuinely good at in fraud detection.
Octo Browser and the Second Tier of Antidetect Tools
Octo, MoreLogin, VMLogin, Hidemyacc and the rest of the second tier share one structural weakness — and it is not the fingerprint they spoof.
Betrugs-Playbooks
Ein Angriff pro Beitrag: wie er abläuft, warum die übliche Kontrolle ihn verfehlt und wo die Prüfung hingehört.
Alle 24 Artikel
How do you stop credential stuffing through residential proxies?
Protect logins from residential-proxy credential stuffing with layered limits, live network and device checks, MFA and a safe review flow.
How can a marketplace detect fake accounts without adding CAPTCHAs?
Detect marketplace account abuse with live visitor checks, server-verified review and safeguards for listings, messages and referral rewards.
Fake dating profiles: how the farm runs and where to stop it
One machine behind fifty verified profiles: why photo and email checks pass a profile farm, and the device-linking check that goes before the profile is shown.
How do you detect VPNs without blocking legitimate customers?
Reduce VPN detection false positives with review decisions, verified step-up checks and a clear policy for privacy tools and shared networks.
How do I add fraud protection to an AI-built app?
Add Maskbreak to an AI-built app with a secret-free prompt, server-side decisions and a checklist that verifies your deployed site.
What is the simplest genuinely free signup-protection API for EU users?
Compare free signup-protection options, understand Maskbreak’s Free plan of 10,000 checks a month, and review EU data handling before protecting your SaaS.
Vergleiche
Direktvergleiche und Kategorie-Übersichten, einschließlich der Fälle, in denen der andere Anbieter die richtige Antwort ist.
Alle 6 Artikel
DataDome vs Maskbreak: Perimeter Bot Defence or Action-Level Verdicts
DataDome mitigates bots at the perimeter. Maskbreak returns a verdict at the action. The distinction decides which one fits the abuse you actually have.
Best Fraud Detection APIs in 2026: 10 Compared
Ten fraud detection APIs compared on the signals they return, published prices and free tiers, with six test sessions that show which layer each one can see.
Best Fake Account Detection Software in 2026
How to evaluate fake account detection software in 2026: the signals that catch antidetect browsers, proxy rotation, and AI-assisted signup abuse.
Is an IP Address Personal Data Under GDPR?
Yes, dynamic addresses included. What that means for a fraud check in practice: lawful basis under Art. 6(1)(f), data minimisation, retention, and processor questions.
Is Device Fingerprinting Legal? GDPR, ePrivacy, and Fraud Prevention
What EU and UK law says about device fingerprinting for fraud prevention — lawful basis, the ePrivacy consent question, and what to check first.
Should You Block AI Agents? A Short Decision Guide
A one-page framework for deciding whether AI agent traffic is a threat, a customer, or both — and what to do at each answer.
Notizen
Was sich geändert hat und warum.
Fraud Brief
Die VPN-, Proxy- und Bot-Muster, die wir diesen Monat gesehen haben
Eine E-Mail im Monat darüber, was sich im Traffic, den wir prüfen, geändert hat — neue VPN- und Proxy-Netze, neues Bot-Tooling, was unsere Laborläufe ergeben haben. Geschrieben für Engineers. Abmeldung mit einem Klick.